1.

The surface area of a spherical part of a hemispherical bowl with a flat circular detachable cover, excluding the cover, is 1232 sq cm. The area of the cover is 78.5 sq cm. What is the volume of the bowl?

Answer»

`1339.44 cm^3`
`1430.66 cm^3`
`1570.25 cm^3`
Cannot be determined

Solution :According to question.
`2pir^2=1232 cm^2`
`r^2=1232/2xx7/22=196`
`:. R=14 cm`
`:'" VOLUME "=2/3pir^3`
`=2/3xx22/7xx(14)^3`
`=1642.66 cm^2`


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