Question

In a parallelogram one angle is 4/5 of the adjacent angle determine the angle of parallelogram

Answer 1

905/8 is the answer but not sure

Answer 2

let the common multiple be x
therefore first angle is 4x and
it's adjacent is 5x
4x+5x=180 (adjacent angles of a parallelogram are supplementary)
9x=180
x=180/9
x=20
therefore first angle is 4*20 =80
and adjacent angle is 5*20=100



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