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Basic interior/exterior angles of a triangle

Total questions: 26

Worksheet time: 26mins

Name
Class
Date
1.
Find the measure of the missing angle.
a)
30o
b)
110o
c)
150o
d)
40o
2.
Find the missing angle.
a)
29° 
b)
39° 
c)
49° 
d)
59° 
3.
Find the measure of the indicated angle. 
a)
26
b)
36
c)
85
d)
144
4.
Challenge:  Find the measure of the indicated angle. 
a)
145 degrees
b)
24 degrees
c)
20 degrees 
d)
21 degrees
5.
In a triangle, how many total degrees are there?
a)
100%
b)
180 degrees
c)
it varies
d)
360 degrees
6.
.
.
.
.
What is the name of this kind of triangle?
a)
Right
b)
Isosceles
c)
Scalene
d)
Equilateral
7.
.
.
.
.
What is the name of this kind of triangle?
a)
Right
b)
Scalene
c)
Isosceles
d)
Equilateral
8.
.
.
.
What is the name of this kind of triangle?
a)
Right
b)
Scalene
c)
Isosceles
d)
Equilateral
9.
What is the value of x?
a)
64
b)
46
c)
127
d)
38
10.
What is the sum of interior angles of a triangle?
a)
60 degrees
b)
90 degrees
c)
180 degrees
d)
360 degrees
11.
What is the missing angle?
a)
10
b)
50
c)
55
d)
90
12.
What is the missing angle?
a)
10
b)
20
c)
50
d)
60
13.
What is the missing angle?  One angle is 50 and the other is 70.
a)
10
b)
60
c)
90
d)
180
14.
What is the missing angle?
a)
10
b)
45
c)
60
d)
90
15.
The interior angles of a triangle are 100 and 50. What is the missing angle?
a)
10
b)
20
c)
25
d)
30
16.
Find the measure of the indicated angle. 
a)
145
b)
113
c)
102
d)
78
17.
Find the measure of the indicated angle. 
a)
26
b)
36
c)
85
d)
144
18.
Which of the following angles can you add together to equal angle d? 
a)
Angle a and Angle b
b)
Angle b and Angle c
c)
Angle a and Angle c
d)
Angle a and Angle b and Angle c
19.
Which of the following terms best describes Angle d? 
a)
Remote interior angle
b)
Corresponding angle
c)
Exterior angle
d)
Interior angle
20.
In an equilateral triangle, all angles are equal.  How many degrees in each?
a)
180
b)
60
c)
50
d)
90
21.
Find the measure of angle x.
a)
138
b)
96
c)
93
d)
87
22.
Challenge:  Find the measure of the indicated angle. 
a)
145 degrees
b)
24 degrees
c)
20 degrees 
d)
21 degrees
23.
Which of the following angles are remote interior angles to angle d?
a)
Angle a and Angle b
b)
Angle b and Angle c
c)
Angle a and Angle c
d)
Angle a and Angle b and Angle c
24.
What is the measure of angle b?
a)
36o
b)
56o
c)
63o
d)
117o
25.
If angle COB =1200, what is the measure of angle AOD?
a)
60
b)
70
c)
120
d)
210
26.
If angle ABD = 54o, then what is the measure of angle CBA?
a)
162
b)
63
c)
126
d)
36