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the sum of the angle measures of a quadrilateral is 360 find the measure of the missing angle (please help)

the sum of the angle measures of a quadrilateral is 360 find the measure of the missing-example-1
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User Auryn
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1 Answer

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If the sum of the angle measures of a quadrilateral is 360, then

75 + 98 + 89 + ? = 360
262 + ? = 360
-262
? = 98

Answer: Measure of the missing angle = 98
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User Charles Caldwell
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