Find the total area of the surface of a solid cylinder wh...
Find the total area of the surface of a solid cylinder whose base radius is 4cm and height is 5cm
56π cm2
72π cm2
96π cm2
192π cm2
Correct answer is B
The total surface area of a cylinder = 2πr(r+h)
= 2π(4)(4+5)
= 8π(9)=72πcm2
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