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int/ext angles practice

Total questions: 11

Worksheet time: 11mins

Name
Class
Date
1.

What is the formula for the sum of interior angles?

a)

(n-2)180

b)

(n-2)180 / n

c)

360

d)

360/n

2.

What is the formula for one interior angle in a regular polygon?

a)

(n-2)180

b)

(n-2)180 / n

c)

360

d)

360/n

3.

What is always the sum of exterior angles?

a)

360

b)

180

c)

360/n

d)

180n

4.

What is one exterior angle in a regular polygon?

a)

(n-2)180

b)

(n-2)180 / n

c)

360

d)

360/n

5.

what is the sum of interior angles in a nonagon?

a)

1260

b)

140

c)

360

d)

40

6.

What is the sum of interior angles in a dodecagon? (12 sides)

a)

1800

b)

150

c)

360

d)

30

7.

What is one interior angle in a regular heptagon? (7 sides)

a)

900

b)

128.6

c)

360

d)

51.4

8.

What is one interior angle in a regular octagon? (8 sides)

a)

1080

b)

135

c)

360

d)

45

9.

What is the sum of exterior angles for an undecagon? (11 sides)

a)

1620

b)

147.3

c)

360

d)

32.7

10.

What is one exterior angle in a regular hexagon? (6 sides)

a)

720

b)

120

c)

60

d)

360

11.

What is one exterior angle in a regular decagon? (10 sides)

a)

1440

b)

144

c)

360

d)

36