The radius of the base and height of a cone are 5 cm and 12 cm then its slant height
The radius of the base and height of a cone are 5 cm and 12 cm then its slant height
A) 17 cm
B) 7 cm
C) 13 cm
D) 6 cm
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Correct option is (C) 13 cm
Slant height of cone is \(l=\sqrt{r^2+h^2}\)
\(=\sqrt{5^2+12^2}=\sqrt{25+144}\)
\(=\sqrt{169}\) = 13 cm
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