A metallic hemispherical bowl is made up of steel. The total steel use – McqOptions

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1.	A metallic hemispherical bowl is made up of steel. The total steel used in making the bowl is 342π cm3. The bowl can hold 144π cm3 water. What is the thickness (in cm) of bowl and the curved surface area (in cm2) of outer side?
A.	6, 162π
B.	3, 162π
C.	6, 81π
D.	3, 81π
Answer» C. 6, 81π

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