Question

the perimeter of a parrellogram is 280cm one of its sides is less then the other by 10 find the lengths if the sides

Answer 1

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Answer 2

Let one side be x
Then another is 10-x
Perimeter =2 (l+b)
280=2 (x+x-10)
140=2x-10
140+10=2x
X=150/2=75
Therefore,it's one side is 75cm and another is 65 cm.