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Geometry Chapter 11 Review

Total questions: 25

Worksheet time: 34mins

Name
Class
Date
1.

Find the sum of the interior angles of a convex dodecagon.

a)

1800

b)

360

c)

2160

d)

2400

e)

180

2.

Find the sum of the interior angles of a convex pentagon.

a)

108

b)

360

c)

540

d)

900

e)

1800

3.

Find the sum of the exterior angles of a convex heptagon.

a)

1260

b)

180

c)

900

d)

360

e)

720

4.

Find the sum of the exterior angles of a convex octagon.

a)

1440

b)

1080

c)

135

d)

45

e)

360

5.

Find the measure of one interior angle of a regular pentagon.

a)

900

b)

108

c)

360

d)

72

e)

540

6.

Find the measure of one interior angle of a regular decagon.

a)

144

b)

36

c)

360

d)

1440

e)

180

7.

Find the measure of one exterior angle of a regular nonagon.

a)

36

b)

360

c)

140

d)

40

e)

45

8.

Find the measure of one exterior angle of a regular hexagon.

a)

120

b)

60

c)

45

d)

135

e)

360

9.

Find the circumference of a circle with radius 15.

a)

225π

b)

7.5π

c)

30π

d)

15π

e)

150π

10.

Find the circumference of a circle with diameter 10.

a)

20π

b)

10π

c)

5π

d)

100π

e)

25π

11.

Find the area of an equilateral triangle with sides 12.

a)

18√3

b)

144√3

c)

6√3

d)

12√3

e)

36√3

12.

Find the area of an equilateral triangle with sides 16.

a)

64√3

b)

16√3

c)

32√3

d)

48√3

e)

128√3

13.

Find the area of a regular hexagon with sides 6.

a)

216√3

b)

18√3

c)

9√3

d)

54√3

e)

108√3

14.

A pair of similar figures has a scale factor of 5:3. The area of the larger figure is 75. What is the area of the smaller?

a)

36

b)

59

c)

73

d)

45

e)

27

15.

A pair of similar figures has a scale factor of 3:7. The area of smaller is 54. What is the area of the larger?

a)

294

b)

126

c)

24

d)

147

e)

70

16.

Find the length of the arc shown.

a)

5/2π

b)

25/4π

c)

20π

d)

10π

e)

5π

17.

Find the length of the arc shown.

a)

5π

b)

4π

c)

10π

d)

25π

e)

20π

18.

Find the area of the sector shown.

a)

16π

b)

144π

c)

48π

d)

12π

e)

24π

19.

Find the area of the sector shown.

a)

8π

b)

16π

c)

18π

d)

192π

e)

96π

20.

What is the area of a regular pentagon if its apothem has a lengths of 4 and each side has a length of 5.8?

a)

139.2

b)

58

c)

116

d)

69.6

e)

92.8

21.

Determine the number of diagonals in a octagon.

a)

20

b)

24

c)

48

d)

40

e)

1440

22.

Find the probability that a point selected randomly on segment NT is on segment LQ.

a)

9/17

b)

1/4

c)

8/16

d)

3/8

e)

1/2

23.

Find the probability that a point selected randomly on segment NT is on segment DT.

a)

15/16

b)

7/8

c)

1/8

d)

6/7

e)

14/15

24.

Find the area of a circle with radius 5.

a)

25π

b)

10π

c)

5π

d)

12.5π

e)

15π

25.

Find the probability that a point chosen at random in the figure is in the shaded region.

a)

1/12

b)

1/3

c)

1/6

d)

1/4

e)

1/5

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