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Triangle Sum Theorem

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Last updated about 2 years ago
8 questions
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Question 1
1.

What is the sum of the angles in a triangle?

Question 2
2.

If one angle in a triangle is 60 degrees and another is 45 degrees, what is the third angle?

Question 3
3.

Which of the following sets of angles can form a triangle? ["30 degrees", "60 degrees", "90 degrees"]

Question 4
4.

If two angles of a triangle are equal and each measures 45 degrees, what is the third angle?

Question 5
5.

A triangle has the following interior angles. What is the measurement of the missing angle in degrees?

Draggable itemarrow_right_altCorresponding Item
110° and 30°
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40°
90° and 45°
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45°
60° and 70°
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50°
Question 6
6.

One angle in a triangle is twice the sum of the other two. What are the possible angle measures?

Draggable itemarrow_right_altCorresponding Item
75° triple (twice 37.5°)
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40° triple
80° triple (twice 40°)
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30° triple
60° triple (twice 30°)
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37.5° triple
Question 7
7.

Given the following angles of a triangle, find the third angle.

Draggable itemarrow_right_altCorresponding Item
50° and 60°
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35°
100° and 45°
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50°
80° and 50°
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70°
Question 8
8.

In a right triangle, one of the acute angles is given. Find the other angle.

Draggable itemarrow_right_altCorresponding Item
45°
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60°
30°
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30°
60°
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45°