SOLUTION: A quadrilateral has interior angle measures of 51°, 90°, and 136°. What is the measure of the fourth interior angle in the quadrilateral?

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Question 857355: A quadrilateral has interior angle measures of 51°, 90°, and 136°. What is the measure of the fourth interior angle in the quadrilateral?
Answer by Fombitz(32388) About Me  (Show Source):
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Quadrilateral angles must sum to 360.
51%2B90%2B136%2Bx=360