1.

ne bermetur of a paralldogramlas 140cm. If one of the sideis longer than by theer by loom, find thelength of each of its sides

Answer»

perimeter =140=2(l+b)one side = xanother side = x+ 10

thus 2(x + x + 10)=140 2(2x +10)=140 2x+ 10= 140÷2 2x =70- 10 x =60÷2 x= 30 and x+10= 40



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