Question

Find the sizes of the angles of a parallelogram if one angle is 20 degree less than twice the smallest angle

Answer 1

Answer:

the sum of adjacent angle of a parralgram is 180 so let smaller angle is x so bigger angle is 2x-20 so (2x-20+x) =180

3x=200

x=200/3

so angle are (66.6),(113.4),(66.6),(113.4)

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Answer 2

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