The length and breadth of a rectangular park are in ratio 9 : 5. If its perimeter is 280m, find its area.
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let x be the multiple of the ratio to determine the lenght and breadth.
then length =9x, breadth = 5x,
permiter=2(L+B). by substitute and solving further.we get L and B.
after which we can find area of rectangular park.
then length =9x, breadth = 5x,
permiter=2(L+B). by substitute and solving further.we get L and B.
after which we can find area of rectangular park.
Answered by
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let, length=9x and breadth=5x perimeter=2(l+b). 2(9x+5x)=280=2*14x=280. 28x=280. x= 280\28=10. area = l*b = 90*50= 450m
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