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The measures of two angles in this obtuse triangle are 13° and 29°. What is the measure of the third angle?
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The measures of two angles in this obtuse triangle are 13° and 29°.

What is the measure of the third angle?

User Tom Finet
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2 Answers

5 votes

Answer:

138 or D

Explanation:

User Unix One
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the interior angle sum of a triangle is 180. so 13+29 is 42 and 180-42 is 138.
User Don Leatham
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