Question

Two adjacent angles of a parallelogram are in the ratio 4:5.Find the angles of the parallelogram. from class 9

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Answer 1

Answer:

Let x be a common multiple.

so, 4x + 5x = 180°...supplementary angles

9x = 180°

So, x = 20°

Therefore:

4x = 80°

5x = 100°

Answer 2

Answer:

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