Two angles of a quadrilateral are 75° and 115°.The otger two angles are equal.Find the measure of each equal angle.
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Answer: 85°. And 85
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angle sum property of quadrilateral=360
75+115+x+x=360 (let equal ange be x)
=>2x=170
=>x=85
75+115+x+x=360 (let equal ange be x)
=>2x=170
=>x=85
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