Question

The cost of fencing a square park of side 100 m at the rate rs .10 per m will be

Answer 1

cost of fencing a square park ,the side=100m

so,in the rate of RS10 per metre =100×10=RS 1000

Answer 2

Given :

Length of the sides = 100 m

Cost of fencing per m = Rs. 10

To Find :

The cost of fencing the square park

Solution :

Perimeter of the square park = 4 × Length of each side

                                                 = 4 × 100

                                                 = 400 m

The cost of fencing per metre = Rs 10

The cost of fencing 400 m = 10 × 400

                                             = Rs. 4000

Therefore, The cost of fencing 400 m of the square park is found to be ₹4000.