Q8 of 58 Page 18

If an angle of a parallelogram is two-third of its adjacent angle, find the angles of the parallelogram.

Let one of the adjacent angle is x°


Therfore other adjacent angle =


Sum of adjacent angles = 180°







Other angle = 180° - 108° = 72°


Therefore angles of the parallelograms are 72°, 72°, 108° and 108°


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