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If an angle of a parallelogram is two third o its adjacentangle then find the smallest angle of the parallelogram?

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by doraemon

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by doraemon

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we know sum of adjacent angles in parallelogram is 180.

=>x+2x/3=180

=>x=108

now the smallest angle is 2x/3

=>2x108/3=72

therefore smallest angle=72

let 1 angle be x

then other adjacent angle will be 2/3x

we know that sum of adjacent angles is 180

x + 2/3x = 180

x = 108

smallest angle will be 72 degrees