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8-8: Angles in Polygons

Find the unknown angle measure in each polygon. 

Choose the letter for the best answer.

45°

55°

90°

135°

?
90°
45°

Find the unknown angle measure in each polygon. 

Choose the letter for the best answer.

40°

50°

60°

70°

?
60°
70°

Find the unknown angle measure in each polygon. 

Choose the letter for the best answer.

67°

313°

170°

113°

27°

?

Find the unknown angle measure in each polygon. 

Choose the letter for the best answer.

40°

46°

65°

140°

245°

121°
134°
?

Find the unknown angle measure in each polygon.

?
°
85°
65°

Find the unknown angle measure in each polygon.

?
104°
°
30°

Find the unknown angle measure in each polygon.

35°
150°
°
?
40°

Divide each polygon into triangles to find the 

sum of its interior angles.

□
°

Divide each polygon into triangles to find the 

sum of its interior angles.

°

Divide each polygon into triangles to find the 

sum of its interior angles.

°

Divide each polygon into triangles to find the 

sum of its interior angles.

°

Divide each polygon into triangles to find the 

sum of its interior angles.

°

Divide each polygon into triangles to find the 

sum of its interior angles.

°
参加了这次测试的学生也参加了 :
Points, lines, line segments, rays, planes
G Teaching triangles
G Pythagorean Theorem 1
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