Question

One angle of a parallelogram is 4/5th of its adjacent angle. Find each angle of the parallelogram.
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Answer 1

Answer:

Let one angle of parallelogram=x

Adjacent angle of parallelogram=180−x

According to problem

x=54(180−x)

5x=720−4x

9x=720

x=80o

One angle=80o

Adjacent angle=100o.

Answer 2

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