The radius and slant height of a cone are 8 cm and 17 cm respectively. Then its height is
The radius and slant height of a cone are 8 cm and 17 cm respectively. Then its height is
A) 15 cm
B) 12 cm
C) 9 cm
D) 16 cm
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2 Answers
Correct option is (A) 15 cm
\(h=\sqrt{l^2-r^2}=\sqrt{17^2-8^2}=\sqrt{289-64}\)
\(=\sqrt{225}\) = 15 cm
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