1.

argies f the quadiiatola. The two adjacent angles of a quadrilateral are 80° and 120The other two angles are equal. Find them.

Answer»

Sum of all angles is 360Two angles are 80 and 120other two angles are equal (let x)x+x+80+120=3602x=360-(120+80)2x=360-2002x=160x=80



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