11-06-2020
Mathematics

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how to find an unknown angle in a quadrilateral

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myreapeoples17 myreapeoples17

11-06-2020

Subtract the sum of the angles from 180 degrees to get the missing angle. For example if a triangle in a quadrilateral had the angles of 30 and 50 degrees, you would have a third angle equal to 100 degrees (180 - 80 = 100).

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