SOLUTION: Triangle ABC is missing a measurement for one angle. < A measures 60 degrees, and < B measures 20 degrees. What is the measure of < C?

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Question 235949: Triangle ABC is missing a measurement for one angle. < A measures 60 degrees, and < B measures 20 degrees. What is the measure of < C?
Answer by solver91311(24713) About Me  (Show Source):
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The sum of the interior angles of any triangle is 180°. Add the measures of angles A and B, then subtract the sum from 180.

John