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The length of a rectangle is twice that of its breadth. If the length of the rectangle is increasedby 20% and its breadth is decreased by 20%, determine the percentage change, if any, in its perimeter. |
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Answer» no change Step-by-step EXPLANATION: l=2x b=x p=2(l+b) p=2(2x+x) =2(3x) =6x l=2x+20% of x b=x-20% of x l=2x+x/5 b=x-x/5 p=2(2x+x/5 + x -x/5) =2(3x) =6x |
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