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find the cost of polishing a circular table top of diameter 1.6 M if the rate of polishing is rupees 15 m square take Pi 3.14 .​

1 Answer

4 votes

Answer:

30.144 or 3.14 if rounded.

Explanation:

First you need to find the area of the table top

a =
\pi r^(2)

a = (3.14) (
.8^(2)) The radius is the half of the diameter 1.6/2 = .8

a = 3.14(.64)

a = 2.0096

The area is 2.0096
m^(2)

the cost will be

2.0096 x 15 = 30.144 rupees

Doe you round rupees to the nearest hundredths' place? I am not sure. Rounded the number would be 30.14

User Eeejay
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