The external and internal diameters of a hemispherical bowl are 10 cm – McqOptions

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1.	The external and internal diameters of a hemispherical bowl are 10 cm and 8 cm respectively. What is the total surface area of the bowl ?
A.	57 cm2
B.	86 cm2
C.	92 cm2
D.	02 cm2
Answer» C. 92 cm2

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