Free Printable 2.1 Angle Basics

1.

An angle that is exactly 90 degrees.

a)

right

b)

acute

c)

obtuse

d)

straight

2.

An angle that is exactly 180^o.

a)

right

b)

acute

c)

obtuse

d)

straight

3.

An angle that is less than 90^o.

a)

right

b)

acute

c)

obtuse

d)

straight

4.

An angle that is more than 90^o.

a)

right

b)

acute

c)

obtuse

d)

straight

5.

An angle that measures 76^o.

a)

right

b)

acute

c)

obtuse

d)

straight

6.

An angle that measures 90^o.

a)

right

b)

acute

c)

obtuse

d)

straight

7.

An angle that measures 133^o.

a)

right

b)

acute

c)

obtuse

d)

straight

8.

An angle that measures 180^o.

a)

right

b)

acute

c)

obtuse

d)

straight

9.

This is what kind of angle?

a)

obtuse

b)

right

c)

straight

d)

acute

10.

What type of angle is shown?

a)

acute

b)

obtuse

c)

right

d)

straight

11.

What type of angle is shown?

a)

acute

b)

obtuse

c)

right

d)

straight

12.

What type of angle is shown?

a)

acute

b)

obtuse

c)

right

d)

straight

13.

Right, acute, or obtuse?

a)

Right

b)

Acute

c)

Obtuse

14.

Which point is the vertex?

a)

A

b)

B

c)

C

d)

None of the Above

15.

What are the names of the rays of ∡ABC?

a)

BC

b)

BA

c)

AC

d)

None of the Above

16.

Which point is the vertex?

a)

Z

b)

Y

c)

X

d)

None of the Above

17.

What are the names of the rays of ∡XYZ?

a)

XZ

b)

YZ

c)

YX

d)

None of the Above

18.

Which point is the vertex of ∡DEF

a)

D

b)

E

c)

F

d)

Not enough information to answer

19.

This angle is written as......

a)

∠ABC

b)

∠ACB

c)

∠BCA

d)

∠CAB

20.

What does this represent?

a)

angle ABC

b)

triangle ABC

c)

arc ABC

d)

line ABC

21.

Choose the correct name for the angle marked $\angle6.$

a)

$\angle KVL$

b)

$\angle LKV$

c)

$\angle V$

d)

$\angle JKV$

22.

Choose the correct name for the angle marked $\angle3.$

a)

$\angle V$

b)

$\angle4$

c)

$\angle IVH$

d)

$\angle JVI$

23.

Which term best describes the figure?

a)

Ray RST

b)

Line segment RST

c)

Angle RST

d)

Point RST

24.

Which point is the vertex?

a)

Z

b)

Y

c)

X

d)

None of the Above

25.

Which is the correct name for the angle?

a)

∠ABC

b)

∠ACB

c)

∠BCA

d)

∠CAB

26.

What type of angle is shown?

a)

acute

b)

obtuse

c)

right

d)

straight

27.

Classify the angle as right, acute, obtuse, or straight.

a)

acute

b)

right

c)

obtuse

d)

none of the above

28.

What type of angle is this?

a)

acute

b)

obtuse

c)

right

d)

straight

29.

Classify the angle

a)

acute

b)

obtuse

c)

right

d)

straight

30.

Choose all of the names that are correct for the angle shown.

a)

$\angle MNO$

b)

$\angle ONM$

c)

$\angle MON$

d)

$\angle M$

31.

Name the vertex.

a)

Q

b)

R

c)

S

32.

Name the vertex.

a)

L

b)

M

c)

N

33.

Choose all of the names that are correct for the angle shown.

a)

∠Y

b)

∠y

c)

∠XYZ

d)

∠YXZ

34.

Choose all of the names that are correct for the angle shown..

a)

∠DFE

b)

∠FDE

c)

∠FED

d)

∠DEF

35.

a)

x = 6°

b)

x = 7°

c)

x = 12°

d)

x = 144°

36.

a)

x = 5°

b)

x = 11°

c)

x = 33°

d)

x = 55°

37.

If m∠RST = (12x -1)°, m∠RSU = (9x -15)°,

and m∠UST = 53°, find each measure.

a)

x = 13

m∠RST = 155°

m∠RSU = 102°

b)

x = 3

m∠RST = 35°

m∠RSU = 12°

c)

x = 22

m∠RST = 263°

m∠RSU = 183°

d)

x = 8

m∠RST = 95°

m∠RSU = 57°

38.

$\angle ECD=122\degree$ and $\angle BCE=36\degree$ . Find the measure of $\angle BCD$ .

a)

$\angle BCD=158\degree$

b)

$\angle BCD=86\degree$

c)

$\angle BCD=58\degree$

d)

$\angle BCD=144\degree$

39.

a)

37⁰

b)

149⁰

c)

75⁰

d)

112⁰

40.

a)

46

b)

130

c)

10

d)

176

41.

a)

85

b)

131

c)

46

d)

12

42.

a)

38⁰

b)

8⁰

c)

30⁰

d)

130⁰

43.

a)

8⁰

b)

28⁰

c)

120⁰

d)

148⁰

2.1 Angle Basics

Total questions: 43

Worksheet time: 1hrs 22mins

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