Question

the adjecent angles of a parallelogram are in the ratio 7:5.find the measures of these angles

Answer 1

Step-by-step explanation:

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Answer 2

Let the angles be 7x : 5x .

therefore, angle sum property of a parallelogram:

7x+5x = 180°

12x = 180°

x = 180°/12

x = 15°

therefor, 7x = 7 x 15° = 75°

5x = 5 X 15° = 105°

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