Question 1

Find the sum of interior angles of a heptagon (7-sided polygon).

Accepted Answer

900°

Answer

2 520°

Answer

1 260°

Answer

1 800°

Question 2

Find the size of each interior angle of a regular 16-sided polygon.

Accepted Answer

157.5°

Answer

22.5°

Answer

337.5°

Answer

202.5°

Question 3

The sum of interior angles of an n-sided polygon is 2 160°. Findthe value of n.

Accepted Answer

14

Answer

10

Answer

16

Answer

12

Question 4

Find x in the figure.

Accepted Answer

85°

Answer

70°

Answer

80°

Answer

75°

Question 5

Find x. [Just type the number.]

Accepted Answer

38

Question 6

Find x. [Just type the number.]

Accepted Answer

26

Question 7

What is each interior angle of an equilateral triangle?

Accepted Answer

60°

Answer

30°

Answer

cannot be determined

Answer

120°

Question 8

In the figure, ABCDEF is a regular hexagon and CDGHIis a regular pentagon.

Find $\angle BCI$ .

Accepted Answer

132°

Answer

122°

Answer

128°

Answer

130°

Question 9

Find x.

Accepted Answer

136°

Answer

142°

Answer

148°

Answer

146°

Question 10

In thefigure, AE and CD intersect at B. Which of the followingis NOT true?

Accepted Answer

AC = BC

Answer

x = y

Answer

z = 53°

Answer

BD = BE

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