Angles Triangles Practice
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which type of triangle is pictured?
Equilateral Triangle
Right Isosceles Triangle
Obtuse Scalene Triangle
Obtuse Equilateral Triangle
Tags
CCSS.4.G.A.2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a triangle, how many total degrees are there?
100%
180 degrees
it varies
360 degrees
Tags
CCSS.8.G.A.5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the third angle of a triangle whose 1st angle is 34 and 2nd angle is 101?
32
39
45
54
Tags
CCSS.8.G.A.5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What do the angles in an equilateral triangle measure?
30, 60, 90
45, 45, 90
60, 60, 60
35, 55, 90
Tags
CCSS.8.G.A.5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a right triangle, if one of the angles measures 45 degrees, what is the measure of the other non-right angle?
45 degrees
90 degrees
135 degrees
180 degrees
Answer explanation
In a right triangle, the sum of the two non-right angles is 90 degrees. If one angle is 45 degrees, the other non-right angle must be 45 degrees as well to add up to 90 degrees.
Tags
CCSS.7.G.B.5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If one angle in a triangle is 90 degrees and the second angle is 30 degrees, what is the measure of the third angle?
30 degrees
60 degrees
90 degrees
120 degrees
Answer explanation
The sum of angles in a triangle is always 180 degrees. Therefore, the third angle would be 180 - 90 - 30 = 60 degrees.
Tags
CCSS.8.G.A.5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If two angles in a triangle measure 45 degrees and 55 degrees, what is the measure of the third angle?
70 degrees
80 degrees
90 degrees
100 degrees
Tags
CCSS.8.G.A.5
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