Anurag kumar

Answer to: Conical cavity is drilled in a circular cylinder of height 15 cm and base radius 8 cm. The height and base of the radius of the cone are also same. Find the whole surface area of remaining solid?

⇒ l = $(\sqrt {{r^2} + \;{h^2}} \; = \;\sqrt {{{15}^2} + \;{8^2}} \; = \;17\;cm)$

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