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Three angles in a quadrilateral measure 90, 53, and 74. What is the measure of the fourth angle?

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One of the correct answers, 53, 93 , 133 , 143.

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asked Feb 27, 2014 in GEOMETRY by johnkelly Apprentice

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1 Answer

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We know that quadrilateral Sum of angles = 360

Given angles sum is 90+53+74 = 217

Remaining angle is 360-217 = 143

answered Feb 27, 2014 by ashokavf Scholar

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