areas of parallelograms and triangles 4-26-12.pdf · areas of parallelograms and triangles...
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111Areas of
Parallelogramsand Triangles
AllPhysics.wmv
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b
h A of a rectangle = bh
** height must be to base.
Area of a parallelogram = bh
Area of a triangle = bh 2
Area of a Square = S2
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1.)
5
3
10
A = ________
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2.)9
4√2
A = ______
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3.)6 6
8
A = _______
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4.6
2
12 Shaded Area = _______
Unshaded Area = ________
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Postulate 26: Area Addition Postulate:
The area of a region is the sum of the areas of its nonoverlapping parts.
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Homework:
p. 723724/38, 1012, 1620, 22, 23, 25, 30
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