Free Printable Angles and Triangles

1.

Complementary angles added together equal what degree?

a)

180

b)

90

c)

60

d)

45

2.

Vertical angles are

a)

50 degrees

b)

congruent

c)

make a straight line

3.

What type of angle is this?

a)

acute

b)

obtuse

c)

right

4.

An angle with a measure of exactly

90\degree

a)

Obtuse

b)

Right

c)

Acute

d)

Straight

5.

An angle with a measure of exactly

180\degree

a)

Obtuse

b)

Right

c)

Acute

d)

Straight

6.

An angle with a measure of less than

90\degree

a)

Obtuse

b)

Right

c)

Acute

d)

Straight

7.

Angles that share a common vertex are called_________

a)

Adjacent Angles

b)

Vertical Angles

c)

Complementary Angles

d)

Supplementary Angles

8.

Angles that are opposite each other when 2 lines intersect AND are congruent.

a)

Adjacent Angles

b)

Vertical Angles

c)

Complementary Angles

d)

Supplementary Angles

9.

Two angles whose sum of their measure is $180\degree$

a)

Adjacent Angles

b)

Vertical Angles

c)

Complementary Angles

d)

Supplementary Angles

10.

Two angles whose sum of their measure is $90\degree$

a)

Adjacent Angles

b)

Vertical Angles

c)

Complementary Angles

d)

Supplementary Angles

11.

What is the measure of $\angle CBD$ ?

a)

$90\degree$

b)

$42\degree$

c)

$44\degree$

d)

$48\degree$

12.

T of F?

Angles a & b are adjacent angles

a)

True

b)

False

13.

T of F?

Angles a & b are adjacent angles

a)

True

b)

False

14.

Which angles are vertical angles?

a)

$\angle8\ \ and\ \angle7$

b)

$\angle8\ and\ \angle6$

c)

$\angle8\ and\ \angle5$

15.

a)

x = 118

b)

x = 108

c)

x = 28

d)

x = 58

e)

x = 62

16.

Find the missing angle. Find x.

a)

20^o

b)

70^o

c)

160^o

d)

180^o

17.

If ∠H and ∠J are complementary, and the measure of ∠H is 35°, what is the measure of ∠J?

a)

145

b)

55

c)

60

d)

65

18.

What is the measure of angle B?

a)

100°

b)

80°

c)

90°

d)

180°

19.

What is the measure of angle A?

a)

100°

b)

80°

c)

90°

d)

180°

20.

Are these angles complementary, supplementary or neither?

a)

complementary

b)

supplementary

c)

neither

21.

Find the value of x.

a)

61

b)

40

c)

54

d)

47

22.

What is the value of x?

a)

15

b)

16

c)

18

d)

19

23.

Find the value of x.

a)

17

b)

28

c)

68

d)

39.5

24.

A triangle with 3 acute angles is called:

a)

obtuse

b)

acute

c)

scalene

d)

isosceles

25.

A triangle with 1 obtuse angle is called:

a)

Acute

b)

Obtuse

c)

Right

d)

Isosceles

26.

A triangle with one angle that measures exactly

90\degree

is classified as

a)

Right

b)

Obtuese

c)

Isosceles

d)

Scalene

27.

A triangle with 2 congruent sides is called:

a)

Scalene

b)

Equilateral

c)

Isosceles

d)

Acute

28.

A triangle with 3 congruent sides is called:

a)

Equilateral

b)

Scalene

c)

Isosceles

d)

Equiangular

29.

A triangles with no congruent sides is classified as:

a)

Isosceles

b)

Scalene

c)

Obtuse

d)

Right

30.

T or F:
You can make a triangle with the 3 angle measurements of

50\degree\ \ 70\degree\ \&\ 120\degree

a)

True

b)

False

31.

What is the sum of all of the measures of the 3 interior angles of a triangle?

a)

180

b)

90

c)

160

d)

210

32.

T or F
You can make a triangle with the angle measurements of

60\degree\ 61\degree\ \&\ 59\degree

?

a)

True

b)

False

33.

.
.
.
.
What is the name of this kind of triangle?

a)

Right

b)

Isosceles

c)

Scalene

d)

Equilateral

34.

.
.
.
.
What is the name of this kind of triangle?

a)

Right

b)

Scalene

c)

Isosceles

d)

Equilateral

35.

Find the measure of the indicated angle.

a)

95

b)

85

c)

35

d)

45

36.

Find the measure of the indicated angle.

a)

26

b)

36

c)

85

d)

144

37.

A triangle has angle measurements of 26°, 59°, and 95°. What kind of triangle is it?

a)

acute triangle

b)

right triangle

c)

obtuse triangle

d)

none of the above

38.

Find the missing angle.

a)

29°

b)

39°

c)

49°

d)

59°

39.

Which would be the best classification for the triangle shown?

a)

acute isosceles

b)

right scalene

c)

acute scalene

d)

obtuse scalene

40.

What is the measure of angle b?

a)

36^o

b)

56^o

c)

63^o

d)

117^o

Angles and Triangles

Total questions: 40

Worksheet time: 2hrs 0mins

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