if three angles of a quadrilateral are 75° each,then fourth angle is ?
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Angle Sum Property of a quadrilateral = 360
75 + x + x + x = 360
75 + 3x = 360
3x = 360 -75
3x = 285
x = 285 / 3
x= 95
Therefore , the fourth angle of a quadrilateral is 95 .
75 + x + x + x = 360
75 + 3x = 360
3x = 360 -75
3x = 285
x = 285 / 3
x= 95
Therefore , the fourth angle of a quadrilateral is 95 .
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