Opposite side of a parallelogram are 5x-7and 4x-3 find the value of x and all angles of parallelogram.
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Step-by-step explanation:one angle=5x-3
Another angle=4x+12
Opposite angles of parallelogram are equal
therefore
5x-3=4x+12
5x-4x=12+3
x=15
5x-3=72degree
4x+12=72degree
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