Question

the length and breath of rectangular are increased by 10 percentage and 15 respectively. again new length is decreased by 20 the net change in area of the rectangular is​

Answer 1

Answer:

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Answer 2

Answer:

Let the length and breadth of the rectangle are l and b.

So, area of rectangle intially is lb.

If length increased by 10% then new length will be 1.1l and if breadth increased by 15% then new breadth is 1.15b then

Again the length was decreased by 20% so new length will be 0.88l and breadth remains same as 1.15b

So, new area will be 0.88l*1.15b = 1.012 lb.

Step-by-step explanation:

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