What is the surface area of the solid right circular cylinder with a height of \(10\) above?
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A. \(18\pi\)
B. \(32\pi\)
C. \(60\pi\)
D. \(78\pi\)
E. \(90\pi\)
Answer: D
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Given: radius = 3
Height = 10
Surface area of cylinder = 2πr² + 2πrh
= 2π(3²) + 2π(3)(10)
= 18π + 60π
= 78π
Answer: D