the perimeter of a parallelogram is 102 CM if one side is greater than the other by 9 cm, find the length of all the sides
of the parallelogram
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let the 1st side be x and the other side be x+9
since,in a parallelogram opp.sides are equal
therefore,all the sides are x,x ,x+9,x+9
hence,
x+x+x+9+x+9=102
4x+18=102
4x=84
x=21
9+x=21+9=30
since,in a parallelogram opp.sides are equal
therefore,all the sides are x,x ,x+9,x+9
hence,
x+x+x+9+x+9=102
4x+18=102
4x=84
x=21
9+x=21+9=30
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