A cone of height ' h ' and radius ' r ' is surmounted on a hemisphere of same radius. The total surface area of the…
CBSE Class 10 Maths PYQ · Surface Areas & Volumes · Surface Area · 1 Mark · March 2025 · Basic
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181 Mark · March 2025 · Basic
A cone of height '$h$' and radius '$r$' is surmounted on a hemisphere of same radius. The total surface area of the entire solid will be :
- (a)$\pi rh + \pi r^2$
- (b)$\pi r \sqrt{h^2 + r^2} + \pi r^2$
- (c)$\pi r \sqrt{h^2 + r^2} + 2\pi r^2$
- (d)$\pi r \sqrt{h^2 + r^2} + 3\pi r^2$
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Answer (C) $\pi r \sqrt{h^2 + r^2} + 2\pi r^2$