If an angle of a parallelogram is four f...

If an angle of a parallelogram is four fifths of its adjacent angle, find the angles of the parallelogram.

A

`90^(@), 100^(@), 90^(@), 100^(@) `

B

`80^(@), 100^(@), 80^(@), 100^(@) `

C

`80^(@), 110^(@), 80^(@), 110^(@) `

D

`80^(@), 200^(@), 80^(@), 200^(@) `

Verified by Experts

The correct Answer is:

B

`x+(4)/(5)x=180^(@).`

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