kaylalynnsavage07 kaylalynnsavage07

11-11-2018
Mathematics

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Two angles in a triangle add up to 78o. What is the size of the third angle?

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ignoranceisabliss ignoranceisabliss

11-11-2018

Since the sum of three angles in a triangle is equal to 180 degrees, you may find the measurement of the third angle by subtracting the sum of the other two angles from 180 degrees. Hence, 180-78 (in degrees) would result in your desired answer.

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