railway RPF SI Mock Test Series 2024 Quantitative Aptitude Mensuration Solid Figures

The total surface area of a solid cone, whose base radius is r and height is h, is  -

1
π(r2 + h2)
2
π(r2 + rh)
3
πr(r + \(\sqrt{h^2 + r^2}\))
4
More than one of the above
5
None of the above
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