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
56\(\pi\) cm2
72\(\pi\) cm2
96\(\pi\) cm2
192\(\pi\) cm2
Correct answer is B
The total surface area of a cylinder = \(2\pi r (r + h)\)
= \(2 \pi (4) (4 + 5)\)
= \(8 \pi (9) = 72 \pi cm^{2}\)
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