One angle of a quadrilateral is 111° and the remaining three angles are equal. Find three angles.
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the sum of interior angles of a quadrilateral =360
angles are 111,x,x,x...as other three are the same
so, 111+x+x+x=360
3x=249
x=83
so the other three angles of the quadrilateral are 83 degree
angles are 111,x,x,x...as other three are the same
so, 111+x+x+x=360
3x=249
x=83
so the other three angles of the quadrilateral are 83 degree
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