1.

Two angles of a quadrilateral are respectively 70 and 80 degrees. The other two angles are equal in measure.Find the measure of the other two angles123

Answer»

Here sum of all angle of QUADRILATERAL is equal to 360.
so a/q
70+80+2x=360
2x=360-150
2x=210
x=105

hence other TWO ANGLES are 105 .



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