Two of the angles in a triangle measure 90 degrees and 27 degrees. What is the measure of the third angle?

For every triangle, the measure of all three angles equal 180.

90 + 27 = 117.

180 - 117 = 63.

The 3rd angle is 63°

63 degree

Step-by-step explanation:

first angle + second angle + third angle = 180 ( because it's a triangle)

90         +         27     +       x          =        180

x = 180 - 27 - 90

x = 63

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step-by-step explanation:

answer is b

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