area formulas
TRANSCRIPT
![Page 1: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/1.jpg)
Area FormulasArea Formulas
![Page 2: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/2.jpg)
Rectangle
![Page 3: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/3.jpg)
Rectangle
What is the area formula?
![Page 4: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/4.jpg)
Rectangle
What is the area formula? bh
![Page 5: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/5.jpg)
Rectangle
What is the area formula? bh
What other shape has 4 right angles?
![Page 6: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/6.jpg)
Rectangle
What is the area formula? bh
What other shape has 4 right angles?
Square!
![Page 7: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/7.jpg)
Rectangle
What is the area formula? bh
What other shape has 4 right angles?
Square!
Can we use the same
area formula?
![Page 8: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/8.jpg)
Rectangle
What is the area formula? bh
What other shape has 4 right angles?
Square!
Can we use the same
area formula? Yes
![Page 9: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/9.jpg)
Practice!Practice!Rectangle
Square
10m
17m
14cm
![Page 10: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/10.jpg)
AnswersAnswersRectangle
Square
10m
17m
14cm
196 cm2
170 m2
![Page 11: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/11.jpg)
So then what happens if we cut a rectangle in half?
What shape is made?
![Page 12: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/12.jpg)
TriangleSo then what happens if we
cut a rectangle in half?
What shape is made?
![Page 13: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/13.jpg)
TriangleSo then what happens if we
cut a rectangle in half?
What shape is made?2 Triangles
![Page 14: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/14.jpg)
TriangleSo then what happens if we
cut a rectangle in half?
What shape is made?2 Triangles
So then what happens to the formula?
![Page 15: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/15.jpg)
TriangleSo then what happens if we
cut a rectangle in half?
What shape is made?2 Triangles
So then what happens to the formula?
![Page 16: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/16.jpg)
TriangleSo then what happens if we
cut a rectangle in half?
What shape is made?2 Triangles
So then what happens to the formula?
bh
![Page 17: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/17.jpg)
TriangleSo then what happens if we
cut a rectangle in half?
What shape is made?2 Triangles
So then what happens to the formula?
bh2
![Page 18: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/18.jpg)
Practice!Practice!Triangle
5 ft
14 ft
![Page 19: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/19.jpg)
AnswersAnswers
35 ft2Triangle5 ft
14 ft
![Page 20: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/20.jpg)
Summary so Summary so far...far...
bh
![Page 21: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/21.jpg)
Summary so Summary so far...far...
bh
![Page 22: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/22.jpg)
Summary so Summary so far...far...
bh
![Page 23: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/23.jpg)
Summary so Summary so far...far...
bh bh
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Summary so Summary so far...far...
bh bh2
![Page 25: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/25.jpg)
ParallelogramLet’s look at a parallelogram.
![Page 26: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/26.jpg)
ParallelogramLet’s look at a parallelogram.
What happens if we slice off the slanted parts on the
ends?
![Page 27: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/27.jpg)
ParallelogramLet’s look at a parallelogram.
What happens if we slice off the slanted parts on the
ends?
![Page 28: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/28.jpg)
ParallelogramLet’s look at a parallelogram.
What happens if we slice off the slanted parts on the
ends?
![Page 29: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/29.jpg)
ParallelogramLet’s look at a parallelogram.
What happens if we slice off the slanted parts on the
ends?
![Page 30: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/30.jpg)
ParallelogramLet’s look at a parallelogram.
What happens if we slice off the slanted parts on the
ends?
![Page 31: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/31.jpg)
ParallelogramLet’s look at a parallelogram.
What happens if we slice off the slanted parts on the
ends?
![Page 32: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/32.jpg)
ParallelogramLet’s look at a parallelogram.
What happens if we slice off the slanted parts on the
ends?
![Page 33: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/33.jpg)
ParallelogramLet’s look at a parallelogram.
What happens if we slice off the slanted parts on the
ends?
![Page 34: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/34.jpg)
ParallelogramLet’s look at a parallelogram.
What happens if we slice off the slanted parts on the
ends?
![Page 35: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/35.jpg)
ParallelogramLet’s look at a parallelogram.
What happens if we slice off the slanted parts on the
ends?
![Page 36: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/36.jpg)
ParallelogramLet’s look at a parallelogram.
What happens if we slice off the slanted parts on the
ends?What will the area formula
be now that it is a rectangle?
![Page 37: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/37.jpg)
ParallelogramLet’s look at a parallelogram.
What happens if we slice off the slanted parts on the
ends?What will the area formula
be now that it is a rectangle?
bh
![Page 38: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/38.jpg)
ParallelogramBe careful though! The
height has to be perpendicular from the
base, just like the side of a rectangle!
bh
![Page 39: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/39.jpg)
ParallelogramBe careful though! The
height has to be perpendicular from the
base, just like the side of a rectangle!
bh
![Page 40: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/40.jpg)
ParallelogramBe careful though! The
height has to be perpendicular from the
base, just like the side of a rectangle!
bh
![Page 41: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/41.jpg)
RhombusThe rhombus is just a parallelogram with all equal sides! So it also
has bh for an area formula.
bh
![Page 42: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/42.jpg)
Practice!Practice!Parallelogram
Rhombus
3 in
9 in
4 cm
2.7 cm
![Page 43: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/43.jpg)
AnswersAnswers
10.8 cm2
27 in2Parallelogram
Rhombus
3 in
9 in
4 cm
2.7 cm
![Page 44: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/44.jpg)
Let’s try something new with the parallelogram.
![Page 45: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/45.jpg)
Let’s try something new with the parallelogram.
Earlier, you saw that you could use two trapezoids to make a parallelogram.
![Page 46: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/46.jpg)
Let’s try something new with the parallelogram.
Earlier, you saw that you could use two trapezoids to make a parallelogram.
Let’s try to figure out the formula since we now know the area formula for a parallelogram.
![Page 47: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/47.jpg)
Trapezoid
![Page 48: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/48.jpg)
Trapezoid
![Page 49: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/49.jpg)
TrapezoidSo we see that
we are dividing the
parallelogram in half. What will that do to the formula?
![Page 50: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/50.jpg)
TrapezoidSo we see that
we are dividing the
parallelogram in half. What will that do to the formula?
bh
![Page 51: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/51.jpg)
TrapezoidSo we see that
we are dividing the
parallelogram in half. What will that do to the formula?
bh2
![Page 52: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/52.jpg)
TrapezoidBut now there is a problem.
What is wrong with the base?
bh2
![Page 53: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/53.jpg)
Trapezoid
bh2
So we need to account for the split base, by calling the top base,
base 1, and the bottom base, base 2. By
adding them together, we get the original base from the parallelogram.
The heights are the same, so no problem
there.
![Page 54: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/54.jpg)
Trapezoid
(b1 + b2)h2
So we need to account for the split base, by calling the top base,
base 1, and the bottom base, base 2. By
adding them together, we get the original base from the parallelogram.
The heights are the same, so no problem
there.
base 2
base 1
base 1
base 2
![Page 55: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/55.jpg)
Practice!Practice!Trapezoid
11 m
3 m
5 m
![Page 56: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/56.jpg)
AnswersAnswers
35 m2Trapezoid
11 m
3 m
5 m
![Page 57: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/57.jpg)
Summary so Summary so far...far...
bh
![Page 58: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/58.jpg)
Summary so Summary so far...far...
bh
![Page 59: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/59.jpg)
Summary so Summary so far...far...
bh
![Page 60: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/60.jpg)
Summary so Summary so far...far...
bh bh
![Page 61: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/61.jpg)
Summary so Summary so far...far...
bh bh2
![Page 62: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/62.jpg)
Summary so Summary so far...far...
bh bh2
![Page 63: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/63.jpg)
Summary so Summary so far...far...
bh bh2
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Summary so Summary so far...far...
bh bh2
![Page 65: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/65.jpg)
Summary so Summary so far...far...
bh bh2
![Page 66: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/66.jpg)
Summary so Summary so far...far...
bh bh2
![Page 67: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/67.jpg)
Summary so Summary so far...far...
bh bh2
![Page 68: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/68.jpg)
Summary so Summary so far...far...
bh bh2
![Page 69: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/69.jpg)
Summary so Summary so far...far...
bh bh2
![Page 70: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/70.jpg)
Summary so Summary so far...far...
bh bh2
![Page 71: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/71.jpg)
Summary so Summary so far...far...
bh bh2
(b1 + b2)h2
![Page 72: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/72.jpg)
Summary so Summary so far...far...
bh bh2
(b1 + b2)h2
![Page 73: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/73.jpg)
Summary so Summary so far...far...
bh bh2
(b1 + b2)h2
![Page 74: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/74.jpg)
Summary so Summary so far...far...
bh bh2
(b1 + b2)h2
![Page 75: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/75.jpg)
Summary so Summary so far...far...
bh bh2
(b1 + b2)h2
![Page 76: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/76.jpg)
Summary so Summary so far...far...
bh bh2
(b1 + b2)h2
![Page 77: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/77.jpg)
So there is just one more left!
![Page 78: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/78.jpg)
So there is just one more left!
Let’s go back to the triangle.
A few weeks ago you learned that by reflecting a triangle, you can make a kite.
![Page 79: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/79.jpg)
KiteSo there is just one
more left!
Let’s go back to the triangle.
A few weeks ago you learned that by reflecting a triangle, you can make a kite.
![Page 80: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/80.jpg)
KiteNow we have to
determine the formula. What is
the area of a triangle formula again?
![Page 81: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/81.jpg)
KiteNow we have to
determine the formula. What is
the area of a triangle formula again?
bh2
![Page 82: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/82.jpg)
KiteNow we have to
determine the formula. What is
the area of a triangle formula again?
bh2
Fill in the blank. A kite is made up of
____ triangles.
![Page 83: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/83.jpg)
KiteNow we have to
determine the formula. What is
the area of a triangle formula again?
bh2
Fill in the blank. A kite is made up of
____ triangles.
So it seems we should multiply the
formula by 2.
![Page 84: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/84.jpg)
Kite
bh2
*2 = bh
![Page 85: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/85.jpg)
Kite
Now we have a different problem. What is the base and height of a kite? The green
line is called the symmetry line, and the red line is half the other diagonal.
bh2
*2 = bh
![Page 86: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/86.jpg)
KiteLet’s use kite
vocabulary instead to create our formula.
Symmetry Line*Half the Other Diagonal
![Page 87: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/87.jpg)
Practice!Practice!Kite
2 ft
10 ft
![Page 88: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/88.jpg)
AnswersAnswers
20 ft2Kite2 ft
10 ft
![Page 89: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/89.jpg)
Summary so Summary so far...far...
bh
![Page 90: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/90.jpg)
Summary so Summary so far...far...
bh
![Page 91: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/91.jpg)
Summary so Summary so far...far...
bh
![Page 92: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/92.jpg)
Summary so Summary so far...far...
bh bh
![Page 93: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/93.jpg)
Summary so Summary so far...far...
bh bh2
![Page 94: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/94.jpg)
Summary so Summary so far...far...
bh bh2
![Page 95: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/95.jpg)
Summary so Summary so far...far...
bh bh2
![Page 96: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/96.jpg)
Summary so Summary so far...far...
bh bh2
![Page 97: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/97.jpg)
Summary so Summary so far...far...
bh bh2
![Page 98: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/98.jpg)
Summary so Summary so far...far...
bh bh2
![Page 99: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/99.jpg)
Summary so Summary so far...far...
bh bh2
![Page 100: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/100.jpg)
Summary so Summary so far...far...
bh bh2
![Page 101: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/101.jpg)
Summary so Summary so far...far...
bh bh2
![Page 102: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/102.jpg)
Summary so Summary so far...far...
bh bh2
![Page 103: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/103.jpg)
Summary so Summary so far...far...
bh bh2
(b1 + b2)h2
![Page 104: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/104.jpg)
Summary so Summary so far...far...
bh bh2
(b1 + b2)h2
![Page 105: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/105.jpg)
Summary so Summary so far...far...
bh bh2
(b1 + b2)h2
![Page 106: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/106.jpg)
Summary so Summary so far...far...
bh bh2
(b1 + b2)h2
![Page 107: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/107.jpg)
Summary so Summary so far...far...
bh bh2
(b1 + b2)h2
![Page 108: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/108.jpg)
Summary so Summary so far...far...
bh bh2
(b1 + b2)h2
![Page 109: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/109.jpg)
Summary so Summary so far...far...
bh bh2
(b1 + b2)h2
![Page 110: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/110.jpg)
Summary so Summary so far...far...
bh bh2
(b1 + b2)h2
![Page 111: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/111.jpg)
Summary so Summary so far...far...
bh bh2
(b1 + b2)h2
![Page 112: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/112.jpg)
Summary so Summary so far...far...
bh bh2
(b1 + b2)h2
Symmetry Line * Half the Other Diagonal
![Page 113: Area formulas](https://reader030.vdocuments.site/reader030/viewer/2022032513/55d3883dbb61ebf1038b4686/html5/thumbnails/113.jpg)
Final SummaryFinal SummaryMake sure all your formulas are written Make sure all your formulas are written
down!down!
bh bh2
(b1 + b2)h2
Symmetry Line * Half the Other Diagonal