If the radius of the cone is 5 inches and the height of the cone is 18 inches, what is the slant height of the cone ?
+592 By pythagoras' theorem:
the slant height of the cone \((l) = \sqrt{18^2 + 5^2}\)
\(l = \sqrt{349}\)
This means the slant height is √349 inches, or about 18.68 inches
