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Classifying Triangles

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.
In a triangle, how many total degrees are there?
a)
100%
b)
180 degrees
c)
it varies
d)
360 degrees
2.
.
.
.
.
What is the name of this kind of triangle?
a)
Right
b)
Isosceles
c)
Scalene
d)
Equilateral
3.
.
.
.
.
What is the name of this kind of triangle?
a)
Right
b)
Scalene
c)
Isosceles
d)
Equilateral
4.
.
.
What kind of triangle is this?
a)
Acute
b)
Right
c)
Obtuse
d)
Robot
5.
What kind of triangle is this?
a)
Acute
b)
Super
c)
Right
d)
Obtuse
6.
.
.
.
What is the name of this kind of triangle?
a)
Right
b)
Scalene
c)
Isosceles
d)
Equilateral
7.
What kind of triangle is this?
a)
Acute
b)
Right
c)
Sparkly
d)
Obtuse
8.
How many acute angles must an acute triangle have?
a)
2
b)
1
c)
4
d)
3
9.
Find the measure of the indicated angle. 
a)
95
b)
85
c)
35
d)
45
10.
Find the measure of the indicated angle. 
a)
26
b)
36
c)
85
d)
144
11.
A triangle has angle measurements of 54°, 52°, and 74°. What kind of triangle is it?

a)
acute triangle
b)
right triangle
c)
obtuse triangle
d)
none of the above
12.
A triangle has angle measurements of 74°, 90°, and 16°. What kind of triangle is it?

a)
acute triangle
b)
right triangle
c)
obtuse triangle
d)
none of the above
13.
A triangle has two 71° angles and one 38° angle. Is this triangle isosceles?

a)
yes 
b)
no
14.
a)
Equilateral
b)
Isosceles
c)
Scalene
d)
Right
15.
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
16.
Find the measure of the missing angle.
a)
30o
b)
110o
c)
150o
d)
40o
17.
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
18.
Which of the following terms best describes Angle d?
a)
Remote interior angle
b)
Corresponding angle
c)
Exterior angle
d)
Interior angle
19.
What is the measure of angle b?
a)
36o
b)
56o
c)
63o
d)
117o
20.
Solve for x.
a)
-11
b)
-12
c)
-6
d)
11