A flower bed is in the shape of a square with side 3.5m.each side is to be fenced with 4 rows of ropes. find the cost of rope required at Rs.20 per meter.
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Step-by-step explanation:
Side of square bed = 3.5 m
Perimeter of square bed = 4 * Side
= 14 m
Since Each side is to be fenced with 4 rows of ropes.
So, length of rope required = 4 * 14 = 56 m
Cost of 1 m = Rs. 15
Cost of 56 m = 15 * 56
= Rs. 840
Hence the cost of rope required is rs.840
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