From a solid cylinder whose height is 8 cm and base radius 6 cm, a con – McqOptions

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1.	From a solid cylinder whose height is 8 cm and base radius 6 cm, a conical cavity of height of height 8 cm and base of radius 6 cm is formed by hollowing out. What is the inner surface area of the cavity?
A.	6π cm2
B.	8π cm2
C.	10π cm2
D.	60π cm2
Answer» E.

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