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06-05-2016
Mathematics

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Three. Angles in a quadrilateral measure 31 83 and 146 what is the measure of the fourth angle?
A 82
B 97
C 100
D 112

Respuesta :

06-05-2016

The answer is C.
For any quadrilateral, the sum of all the angles must be 360. So, you add the three angles that you know, then subtract that number from 360 to get the answer.

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