Formula to find the slant height of a cone is
Formula to find the slant height of a cone is
A) l = h2 + r2
B) l2 = h + r
C) l = \(\sqrt{h^2\, + r^2}\)
D) l = h + r
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Correct option is (C) \( l =\sqrt{h^2+r^2}\)
Slant height of cone is \( l =\sqrt{h^2+r^2},\) where h is height of the cone and r is radius of the cone.
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