Math, asked by devashish61, 1 year ago

The perimeter of a rectangle is 240cm. If its length is decreased by 10% and breath is increased by 20% we get the same perimeter. Find the original length and breath of the rectangle.

Answers

Answered by Anonymous
5

Answer:


Step-by-step explanation:

Let l=x-10%

B=x+20%

P=240cm


Now

P= 2(l+b)

240=2(x-10%+x+20%)

120= 2x+10%

120-10%=2x

120-10/100=2x

12000-10/100=2x




devashish61: nahi
Anonymous: Comp kar sakte ho app ab .
devashish61: answer is 60 and 80
devashish61: par aapka answer wo nhi h
Anonymous: Wait for a while m solve karje fir send karte hu apko..
devashish61: thnx
devashish61: length 80 and breadth 40
Anonymous: Mere ans ka..
devashish61: nai
Anonymous: Ohk wait.
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