the perimeter of a parallelogram is 140 cm. if one of the sides longer by the other by 10 cm, find the length of each of its side
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perimeter of parallelogram = 2[ l + b]
140. = 2[ x + x+10 ]
140. = 2[2x + 10 ]
140 = 4x + 20.
140 - 20 = 4x
120/4 = x
30 = x
length is 30cm
breadth is 30 + 10 = 40cm
140. = 2[ x + x+10 ]
140. = 2[2x + 10 ]
140 = 4x + 20.
140 - 20 = 4x
120/4 = x
30 = x
length is 30cm
breadth is 30 + 10 = 40cm
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