A platform 10m by 10m has been built around a well which has a diameter of 5.6m.Find the cost of cementing the platform at the rate of ₹25 per sq. M

Asked by drharerampatel.2100 | 17th Jan, 2019, 09:56: PM

Expert Answer:

The total area is to be cemented is
Area of the rectangle (platform) - Area of the circle (well)
= 10x10 - πx2.82
=75.36 sq.m
Cost = 75.36x25 =Rs. 1,884

Answered by Arun | 18th Jan, 2019, 10:45: AM