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The first two angles in a triangle are 15 degrees and 20 degrees. What does the third angle have to be? A. 15 degrees B. 25 degrees C. 105 degrees D. 145 degrees
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The first two angles in a triangle are 15 degrees and 20 degrees. What does the third angle have to be?

A. 15 degrees
B. 25 degrees
C. 105 degrees
D. 145 degrees

User Infocyde
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The answer is D: 145 degrees.
User Jonasfh
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