A well, 14m deep is 2m in radius. find thew cost of cometing the inner curved surface at the rate of rs 2 per surface meter.
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This means we need to get the curved surface area of the well.
The width of the curved surface is the circumference of the top of the well and the width is the depth of the well.
The width =3.142×2×2=12.568m
The area =12.568×14=175.95m2
The total cost=175.95×2=351.90
Rs351. 90
The width of the curved surface is the circumference of the top of the well and the width is the depth of the well.
The width =3.142×2×2=12.568m
The area =12.568×14=175.95m2
The total cost=175.95×2=351.90
Rs351. 90
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