surface areas and volumes.
Asked by deepitapai | 26th Jan, 2009, 08:06: AM
The semicircular grassy land on the side of length 40 m will have a radius 20 m.(as 40 becomes the diameter)
So find the area of one semicircle by using the formula
area of a semicircle of radius r =where r=20
Multiply this value by 4. That will give you the total area to be turfed in sq meters
Then mulyiply this with 2.50 ( as the rate of turfing is Rs. 2.50 per sq meters)
This will be the final answer.
Answered by | 26th Jan, 2009, 01:24: PM
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