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The surface area of a sphere is 346.5 `cm^2`, calculate its radius and the volume. |
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Answer» Surface area of sphere=`4pir^2` `4pir^2=346.5` `4*3.14*r^2=346.5` `r^2=346.5/(4*3.14)` `r=5.2 cm` Volume of sphere=`4/3pir^3` `=4/3*22/7*(5.2)^2` `=589.21 cm^3`. |
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