Free Printable Interior of Triangle

1.

Find the missing angle.

a)

29°

b)

39°

c)

49°

d)

59°

2.

Find the measure of the missing angle.

a)

30^o

b)

110^o

c)

150^o

d)

40^o

3.

Solve for x.

a)

8

b)

9

c)

13

d)

15

4.

Solve for x.

a)

8

b)

9

c)

13

d)

16

5.

a)

A

b)

B

c)

C

d)

D

6.

Which best describes the conclusion of the statement "The sum of the interior angles of any triangle is

a)

The interior angles of a triangle are added.

b)

The sum of the interior angles of any triangle.

c)

The sum is $180\degree.$

d)

The interior angles is $180\degree.$

7.

Find the measure of the indicated angle.

a)

95

b)

85

c)

35

d)

45

8.

What is the measure of angle x?

a)

45

b)

60

c)

65

d)

75

9.

a)

m∠C < m∠E

b)

m∠E > m∠D

c)

m∠D < m∠C

d)

m∠E > m ∠C

10.

In a triangle, how many total degrees are there?

a)

100%

b)

180 degrees

c)

it varies

d)

360 degrees

11.

Find the measure of the indicated angle.

a)

95

b)

85

c)

35

d)

45

12.

Find the measure of the indicated angle.

a)

26

b)

36

c)

85

d)

144

13.

If two of the angles of a triangle are 30 and 70 degrees, the third angle measures...

a)

80

b)

100

c)

60

d)

90

14.

Solve for x.

a)

7

b)

9

c)

-11

d)

-6

15.

Solve for x.

a)

5

b)

12

c)

-7

d)

-6

16.

Solve for x.

a)

-5

b)

-2

c)

8

d)

9

17.

A student is trying to construct triangles using four different sets of angles. The angles in each set are given below. Which set will form a triangle?

a)

45°, 65°, 70°

b)

150°, 110°, 100°

c)

50°, 50°, 50°

d)

90°, 90°, 90°

18.

Find the measure of the indicated angle.

a)

$107.5\degree$

b)

$90\degree$

c)

$108.5\degree$

d)

$8.5\degree$

19.

Find the missing angle.

a)

29°

b)

39°

c)

49°

d)

59°

20.

Find the measure of the missing angle.

a)

8^o

b)

58^o

c)

122^o

d)

64^o

Interior of Triangle

Total questions: 20

Worksheet time: 20mins

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