Question

one pair of adjacent angles of a parallelogram measures 11x and (50-x) degree. Find all the angles of the parallelogram.
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Answer 1

Adjacent angles of a parallelogram are co-interior angles

therefore 11x + 50 - x = 180

10x = 180- 50

x = 130/10

x=13

angles = 11x = 143°

another angle = 50-x = 37°

since opposite angles of a parallelogram are equal

therefore, all the angles are :- 143, 37, 143, 37

Answer 2

Answer:

11x = 50-20

= 11

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