A rectangular fia eld is of length 25 m and width 21 a 2.5 wide strip is levelled all around it at the rate of rs 5 per m square find the cost of levelling the strip
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1255 is the right answer
gurjargolu73:
where is its solution
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l=25,b=21and width of strip is2.5 so,L=25+2(2.5)=30 &B=21+2(2.5)=26
area of the strip=LB-lb=30×26-25×21=780-525=255×5= ₹. . . .
area of the strip=LB-lb=30×26-25×21=780-525=255×5= ₹. . . .
but what is 2(2.5)
two sides 2.5 wide path
thanks
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