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:

Two adjacent angles of a parallelogram are in the ratio 4:5. Find their measures. Solution : Let the angles be 4x and 5x. Then, 4x + 5x = 180° 9x = 180° x = 20° So, angles are 4 × 20° = 80° and 5 × 20° =100°.

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