two angles of a quadrilateral are 120° and 100° if the remaining two angles are equal find the measure of each angle
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Answered by
44
sum of all angles of quadilateral =360
given that the angles are 100°, 120°,x,x
so we have
100+120+2x=360
2x=140°
x=70°
given that the angles are 100°, 120°,x,x
so we have
100+120+2x=360
2x=140°
x=70°
Answered by
8
let the two unknown angle be 2x
by angle sum property of quadrilateral
120°+100°+2x=540°
2x=540°-220°
x=320/2
x=160°
by angle sum property of quadrilateral
120°+100°+2x=540°
2x=540°-220°
x=320/2
x=160°
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