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Asked by Rofhiwa

Two angle of a quadrilateral is 90 degree and 100 degree. the remaining two angles are equal. calculate the size of each remaining angle.
8 years ago

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Answered by jyothi
In a quadrilateral sum of angels is equal to 360degrees
given 2 of its angels are at 90 degrees and 100 degrees and two angels are equal.
let the other angel be X degrees
=>100+90+X+X= 360
=> 190+2X=360
=> 2X=360-190
=> X= 170/2
=> X=85
8 years ago

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