Question

10. A path of 5m wide runs around a square park of side 100m. Find the area of the
path. Also find the cost of cementing it at the rate of 250 per 10m​

Answer 1

Hey there ! Here's your answer.

Given inner side of square park, s=100 cm

Area of inner square =100

2

=10000 cm

2

width of path,w=5 cm

Outer side of square =100+5+5=110 cm

Area of outer square =110

2

=12100 cm

2

Area of path =12100−10000=2100 cm

2

Cost of cementing at the rate of Rs 250 per 10 sq cm = Rs 250×210= Rs 52500

∴ Cost of cementing a 2100 cm

2

path =Rs. 52500

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