three angles of a quadrilateral are respectively equal to 110°,50°and40°. find its fourth angles.
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Hello here is your answer
the sum of angles in a quadrilateral is 360°
so, let the fourth angle be x
so, 110+50+40+x=360
200+x=360
x=360-200
hence the fourth angle is 160°
the sum of angles in a quadrilateral is 360°
so, let the fourth angle be x
so, 110+50+40+x=360
200+x=360
x=360-200
hence the fourth angle is 160°
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