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The roof of Sally’s house is a triangular prism. The angle at the top of this roof is a right angle and the measure of one of the interior angles is 45°. What is the measure of the unknown angle? A. 45°
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45 votes
45 votes
The roof of Sally’s house is a triangular prism. The angle at the top of this roof is a right angle and the measure of one of the interior angles is 45°. What is the measure of the unknown angle?

A. 45°
B. 55°
C. 35°
D. 25°

The roof of Sally’s house is a triangular prism. The angle at the top of this roof-example-1
User Sashaeve
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2 Answers

27 votes
27 votes

Answer:

a

Explanation:

User Caliche
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2.9k points
7 votes
7 votes

Answer: A

Explanation:

The sum of the angles of a triangle is 180 degrees, so the unknown angle is 180-90-45=45 degrees.

User Alex Beauchemin
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2.7k points
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