A right cylinder has a radius of 3 and a height of 12. What is its surface area?A. 72 pi units2B. 108pi units2C. 45pi units2D. 90pi units2

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The surface area of a right circular cylinder with radius 'R' and height 'H' is given by,

$S=2\pi R(R+H)$

According to the given problem,

$\begin{gathered} R=3\text{ units} \\ H=12\text{ units} \end{gathered}$

Substitute the values to get the surface area,

Kasun Hasanga answered Nov 20, 2023

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