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Worksheets

Angles and Triangles

Total questions: 28

Worksheet time: 22mins

Name
Class
Date
1.
a)
vertical
b)
supplementary
c)
complementary
d)
none of the above
2.
a)
vertical
b)
supplementary
c)
complementary
d)
none of the above
3.
a)
vertical
b)
supplementary
c)
complementary
d)
none of the above
4.
a)
vertical
b)
supplementary
c)
complementary
d)
none of the above
5.
a)
vertical
b)
supplementary
c)
complementary
d)
none of the above
6.
a)
45
b)
180
c)
135
d)
90
7.
a)
90
b)
115
c)
180
d)
25
8.
a)
145
b)
90
c)
180
d)
35
9.
Which group of angles measures could form a triangle?
a)
100° 90° 170°
b)
60° 25° 95°
c)
35° 35° 35
d)
90° 60° 45°
10.
Complementary angles added together equal what degree?
a)
180 
b)
90 
c)
60
d)
45
11.

Vertical angles are

a)

50 degrees

b)

congruent

c)

make a straight line

12.
If 2 of the angles of a triangle are 30 and 70 degrees, the third angle measures...
a)
80
b)
100
c)
60
d)
90
13.
What type of angle is this? 
a)
acute
b)
obtuse
c)
right
14.

Name the vertex of the angle.

a)

S

b)

R

c)

Q

d)

S, R, and Q are vertices

15.

Name the vertex of the angle.

a)

E

b)

F

c)

D

d)

E, F, and D are vertices

16.
This angle is written as......
a)
 ∠ABC
b)
 ∠ACB
c)
∠BCA
d)
∠CAB
17.

What is the arrow pointing to in the angle?

a)

a ray

b)

geometry

c)

vertex

d)

line

18.
What does this represent?
a)
angle ABC
b)
triangle ABC
c)
arc ABC
d)
line ABC
19.
a)
Acute
b)
Right
c)
Obtuse
20.
Name this angle.
a)
acute
b)
right
c)
obtuse
d)
none of the above
21.
Which type of angle is pictured?
a)
Acute
b)
Right
c)
Obtuse
d)
Straight
22.
What type of angle is this? 
a)
acute
b)
obtuse
c)
right
23.

Choose the correct name for the angle marked 6.\angle6.  

a)

 KVL\angle KVL  

b)

 LKV\angle LKV  

c)

 V\angle V  

d)

 JKV\angle JKV  

24.

Choose the correct name for the angle marked 3.\angle3.  

a)

 V\angle V  

b)

 4\angle4  

c)

 IVH\angle IVH  

d)

 JVI\angle JVI  

25.

Determine the measure in degrees of the angle. Think: is it acute or obtuse?

a)

70o

b)

75o

c)

105o

d)

100o

26.

Which is ∡EAF?

a)

🔵

b)

🔺

c)

ϟ

d)

🌟

e)

🔲

27.

Which is ∡GBA?

a)

🔵

b)

🔺

c)

ϟ

d)

🌟

e)

🔲

28.

Which point is the vertex?

a)

A

b)

B

c)

C

d)

None of the Above