Question

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

Answer 1

Answer:

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So, we assume that angle "x" is two-third of angle "y" . We also know that the adjacent sides of a parallelogram are supplementary. It means that the sum of adjacent angles is equal to 180. Hence, the adjacent angles of a parallelogram are 72° and 108° .