Question

• The adjacent angles of a parallelogram are in the ratio 2:7. Find the measure of each angle.​

Answer 1

Answer:

in a parallelogram adjacent angles are supplementary.

let the angles be 2x and 7x

2x+7x = 9x

9x = 180 degrees.

hence x= 20 degrees

the angles are 2x= 2×20 = 40 degrees

7x= 7×20 = 140 degrees

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