Q10 of 24 Page 16

Three angles of a quadrilateral are equal. Fourth angle is of measure 150°. What is the measure of equal angles.

Sum of angles of a quadrilateral is 360°


Let each equal angle is x°


150° + x° + x° + x° = 360°


3x° =


x° =


x° =


Therefore other equal angles are 70° each.


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