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Ex. 5 The length of a rectangle is increased by 20%and breadth is decreased by 10% Calculate thepercentage change in the area. |
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Answer» Answer: LET L, B & A be the initial length , BREADTH & area respectively of the rectangle. Hence, increase in area = (108/100 -1). l.b = 8/100*lb = 8% . Step-by-step EXPLANATION: |
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