Free Printable Unit 5 triangles

1.

Solve for the angle labeled x^o

a)

43^o

b)

57^o

c)

133^o

d)

47^o

2.

Using what you know about vertical angles, Find the measure of angle a.

a)

$34\degree$

b)

$143\degree$

c)

$37\degree$

d)

$72\degree$

3.

Find the vertical angles in the diagram, then use that information to solve for x.

a)

42^o

b)

34^o

c)

19^o

d)

54^o

4.

Using what you know about supplementary angles and vertical angles, Find the measure of x

a)

35^o

b)

60^o

c)

85^o

d)

95^o

5.

Using what you know about vertical angles and the triangle sum theorem, Find the measure of angle b.

a)

$34\degree$

b)

$143\degree$

c)

$37\degree$

d)

$72\degree$

6.

Using what you know about triangles and transversals.....What are the correct angle measures for a, b, and c?

a)

a = 118^o

b = 30^o

c = 32^o

b)

a = 118^o

b = 32^o

c = 30^o

c)

a = 148^o

b = 16^o

c = 16^o

d)

a = 62^o

b = 58^o

c = 60^o

7.

Using what you know about vertical angles, supplementary angles, and the triangle sum theorem, determine the measure of angle c.

a)

65^o

b)

70^o

c)

45^o

d)

50^o

8.

Find side length X.

a)

30

b)

25

c)

15

d)

40

9.

These triangles are congruent. If ∠E is 45^o and ∠B is 55^o what is the measure of ∠C?

a)

45^o

b)

55^o

c)

80^o

d)

100^o

10.

How many degrees is X?

a)

65

b)

70

c)

90

d)

55

11.

How many degrees is X?

a)

37

b)

47

c)

7

d)

90

12.

Find the value of x.

a)

15

b)

16

c)

18

d)

19

13.

What is the value of x?

a)

130

b)

65

c)

123

d)

61.5

14.

Find the measure of angle 1.

a)

25

b)

115

c)

75

d)

65

15.

Which would be the best classification for the triangle shown?

a)

acute isosceles

b)

right scalene

c)

acute scalene

d)

obtuse scalene

16.

Which would be the best classification for the triangle shown?

a)

right isosceles

b)

obtuse scalene

c)

obtuse isosceles

d)

right scalene

17.

What is the value of x?

a)

10

b)

5

c)

-12

d)

9

18.

Solve for x. Figures may not be drawn to scale.

a)

48.8

b)

52

c)

55

d)

166

19.

What is the value of the missing angle?

a)

61

b)

50

c)

60

d)

69

20.

Which would be the best classification for the triangle shown?

a)

acute isosceles

b)

equiangular scalene

c)

equiangular isosceles

d)

equiangular equilateral

21.

a)

72

b)

67

c)

65

d)

54

22.

a)

A

b)

B

c)

C

d)

D

Unit 5 triangles

Total questions: 22

Worksheet time: 33mins

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