Free Printable Ch 8 Review

1.

Calculate the measure of ONE interior angle of the regular pentagon shown here.

a)

$36\degree$

b)

$72\degree$

c)

$120\degree$

d)

$108\degree$

2.

Calculate the measure of ONE central angle of the regular decagon shown here.

a)

$144\degree$

b)

$36\degree$

c)

$120\degree$

d)

$18\degree$

3.

Calculate the measure of ONE interior angle of the regular octagon shown.

a)

$22.5\degree$

b)

$120\degree$

c)

$45\degree$

d)

$135\degree$

4.

Calculate the area of the circle.

a)

43.96

b)

153.86

c)

87.82

d)

307.72

5.

Calculate the area of the circle below.

a)

$100\ cm^2$

b)

$18.84\ cm^2$

c)

$84.78\ cm\ ^2$

d)

$28.26\ cm^2$

6.

What is the area of this circle?

a)

163.2\ cm^2

b)

$37.7\ cm^2$

c)

$124.2\ cm^2$

d)

$113.1\ cm^2$

7.

The diameter of a circle is 3 centimeters. What is the circumference?

a)

$11.5\ cm^{ }$

b)

$9.42\ cm^{ }$

c)

$18.84\ cm^{ }$

d)

$45.3\ cm^{ }$

8.

Calculate the circumference (to the nearest whole number)

a)

88 in

b)

44 in

c)

116 in

d)

None of the above

9.

what is the circumference of this circle ?

a)

3.14 cm

b)

37.68 cm

c)

24 cm

d)

68.4 cm

10.

Find the area of the sector.

a)

67.1cm²

b)

67.0cm²

c)

16.8cm²

d)

134.0cm²

11.

Find the area of the sector

a)

176.7cm²

b)

23.6cm²

c)

156.7cm²

d)

88.4cm²

12.

Find the area of the sector.

a)

8.9cm²

b)

9.0cm²

c)

11.4cm²

d)

11.3cm²

13.

Find the arc length of the bolded arc.

a)

17.01 cm

b)

110.55 cm

c)

0.79 cm

d)

81.64 cm

14.

FIND THE ARC LENGTH OF THE BOLDED ARC

a)

A

b)

B

c)

C

d)

D

15.

Calculate one exterior angle of a regular hexagon, like the one shown.

a)

$120\degree$

b)

$40\degree$

c)

$60\degree$

d)

$30\degree$

Ch 8 Review

Total questions: 15

Worksheet time: 1hrs 15mins

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