pre-algebra unit 5 geometry

Pre-Algebra Unit 5 Geometry Quiz 5B Review

Name that Quadrilateral - I have 2 pairs of congruent, parallel sides.

Parallelogram

Name that Quadrilateral - I have 4 right angles and 2 pairs of congruent, parallel sides.

Rectangle

Name that Quadrilateral - I have 4 congruent sides.

Rhombus

Name that Quadrilateral - I have exactly on set of parallel sides.

Trapezoid

Name that Quadrilateral - I have 4 right angles and 4 congruent, parallel sides.

Square

Give all the names of the polygon.

Rectangle, Parallelogram, Quadrilateral

Give all the names of the polygon.

Rhombus, Parallelogram, Quadrilateral

A) Name the polygon. B) Find the measure of one angle

A) Pentagon B) 180 (n-2) 540/5 = 108°

180 (5-2) 180 (3) 540

A) Name the polygon. B) Find the measure of one angle

A) Octagon B) 180 (n-2) 1080/8 = 135°

180 (8-2) 180 (6) 1080

A) Name the polygon. B) Find the measure of one angle

A) Heptagon B) 180 (n-2) 900/7 =

128.6 102.86°180 (7-2) 180 (5) 900

Find the value of x.

72°

108° 72°

x°

72 + 72 + 108 + x = 360252 + x = 360X = 108°

Find the value of x.

102°

2x°90°

x°

102 + 90 + 2x + x = 360192+ 3x = 3603x = 168X= 56°

Find the area of the polygon.

A= ½ bhA = ½ (7) (6) A = 21 cm2

Find the area of the polygon.

A= bhA = (7) (8) A = 56 cm2

Find the area of the polygon.

A= ½ h (a + b) A = ½ (10) (7 + 15) A = 110 cm2

Find the base of a triangle with an area of 44 ft2 and a height of 22ft.

A= ½ bh44 = ½ b (22)44 = 11b 4 ft = b

Find the area of the circle.

A= п r 2 A = п (19)2

A = 361п cm2

A = 1134.1 cm2

A bicycle has a tire that is 3 feet in diameter. How far will the bike travel in 12 revolutions? C= 2 п rC = 2 п (1.5) C = 3 п 3 п (12) 113.1 ft