Question

an NGO develop the square park for physically handicapped children she spent rupees 57600 on the development on the park at the rate of rupees 25 per square metre find the perimeter of the park

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Answer 1

total cost = 57600
area of square*cost per sq. meter= 57600
side^2 * 25 = 57600
side^2 = 57600/25= 2304
side = √2304 = 48
therefore perimeter = 4* 48 = 192cm