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23-11-2016
Mathematics

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a quadrilateral has an angle that measures °77 °180 and °65 what is a measure of the fourth angle

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23-11-2016

The angles in a quadrilateral must add up to 360 degrees. So, if we add up the first three sides we get 77 + 180 + 65 = 322 degrees. The last side is going to be 360 - 322 = 38 degrees.

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