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7 February, 00:03

Triangle ABC has two known angles. Angle A measures 55 degrees. Angle B measures 30 degrees. What is the measure of angle C? Show your work and explain how to solve.

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  1. 7 February, 03:42
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    According to triangle theorems, we know that the interior angles of a triangle equals 180 degrees. Since we know that angle A and angle B are 55 and 30 degrees, all we need to do is add them up and subtract it from 180 degrees to find out the measure of angle C.

    55 + 30 = 85 degrees

    180 degrees - 85 degrees = 95 degrees (this is the measure for angle C)
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