4-Angles in a Triangle.pdf - Kuta Software

Kuta Software - Infinite Geometry

Name___________________________________

Angles in a Triangle

Date________________ Period____

Find the measure of each angle indicated. 1)

2)

?

65°

40° 57° ?

3)

4) 85° 20° 50°

?

130°

?

5)

6) 137°

?

102°

100°

?

35°

7)

8) 155° 60°

?

30° ?

20°

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Worksheet by Kuta Software LLC

9)

10) ?

39°

35° 40°

20°

65° 50° 60°

11)

?

12) 86°

?

27° 84°

?

35°

23°

36°

13)

14) 156° ?

155° 115° 35°

20°

85° ?

15)

16) 45°

45°

68°

68°

79°

100°

?

75°

60° ?

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Worksheet by Kuta Software LLC

Solve for x. 17)

18) 55°

x + 74 8x + 2 54° 70°

19)

60°

20) 64° 27°

x + 51

97 + x

60°

80°

Find the measure of angle A. 21)

22) x + 59

x + 37

x + 67

A 84°

x + 51 A

23)

24)

A 3x − 6

A

130°

x + 23 8x + 4

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80° 4 x + 17

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Worksheet by Kuta Software LLC

Kuta Software - Infinite Geometry

Name___________________________________

Angles in a Triangle

Date________________ Period____

Find the measure of each angle indicated. 1)

2)

?

65°

40° 57° ?

58° 50° 3)

4) 85° 20° 50°

?

130°

45°

?

30° 5)

6) 137°

?

102°

100°

?

35°

145° 135° 7)

8) 155° 60°

?

30° ?

20°

85° 130°

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-1-

Worksheet by Kuta Software LLC

9)

10) ?

39°

35° 40°

20°

65° 50°

21° 60°

?

70° 11)

12) 86°

?

27° 84°

?

35°

23°

36°

31° 64° 13)

14) 156° ?

155° 115° 35°

20°

31° 85° ?

85° 15)

16) 45°

45°

68°

68°

79°

100°

?

75°

60° ?

109°

137°

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Worksheet by Kuta Software LLC

Solve for x. 17)

18) 55°

x + 74 8x + 2 54° 70°

−3

60°

6

19)

20) 64° 27°

x + 51

97 + x

60°

80°

−6

−11 Find the measure of angle A. 21)

22) x + 59

x + 37

x + 67

A 84°

30°

x + 51 A

44° 23)

24)

A 3x − 6

A

130°

x + 23 8x + 4

30°

80° 4 x + 17

35°

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Worksheet by Kuta Software LLC