The total surface area of a solid cone, whose base radius is r and height is h, is -
- AOption (a)
π(r2 + h2)
- BOption (b)
π(r2 + rh)
- COption (c)
πr(r + \(\sqrt{h^2 + r^2}\))
- DOption (d)
πrh(r + h)
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Correct answer
π(r2 + h2)