Question

A path 4 metre wide Run around the inside of a square Park of side hundred metre find the area of the path find the cost of levelling the path at 5 rupees square metre​

Answer 1

Answer:

100+5+5=110cm

110²=12100cm²

Answer 2

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