Question

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a path of 5 m Run along inside a square Park of side 45 m find the area of the path also find the cost of cementing it at the rate of rs 20 per m2​

answer is 800m2, and rs 16000
I want correct method ​

Answer 1

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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Answer 2

Answer:

your answer hope it's helpful to you