If three angles of a quadrilateral are 75° 110° and 60° find the measure of fourth angle
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sum of all angles of a quadrilateral = 360. hence 75+110+60 = 245
360-245= 115.
hence. fourth angle is 115 degree.
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Answer:
some of all angle of a quadrilateral =360°
= 75+110+60=245
360-245
=115
fourth angle of quadrilateral=115°
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