ICSE Class 7 Answered
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 | 17 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
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