A cone whose height and radius are 6 cm and 8 cm respectively. Then its slant height is
A cone whose height and radius are 6 cm and 8 cm respectively. Then its slant height is
A) 14 cm
B) 10 cm
C) 11 cm
D) 12 cm
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Correct option is (B) 10 cm
Slant height of cone is \(l=\sqrt{r^2+h^2}\)
\(=\sqrt{6^2+8^2}=\sqrt{36+64}\)
\(=\sqrt{100}\) = 10 cm
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