A circular pond is surrounded by a path 2m wide.
The diameter of the pond is 50m. Find the cost of
cementing the path at the rate of ₹28 per sq m.
Answers
Answered by
5
Step-by-step explanation:
Given radius(r)= 2÷17.5
m and width of the path(w)=2m
Area of path=π(R 2
−r
2
)
R=r+ω=
2
17.5
+2=10.75m
∴Area=3.14(10.75
2
−8.75
2
)=122.46m
2
Cost of construction = Rs. (122.46×25) = Rs. 3061.5
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