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a cone has a circular base of radius 5m and vertical height of 12m. Calculate the slanted height

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Radius of 5m and vertical height of 12m.
asked Feb 21, 2014 in GEOMETRY by angel12 Scholar

1 Answer

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Given

Radius (r ) = 5m.

Vertical height (h ) = 12m.

Slanted height (l ) = √(r 2 + h 2).

Substitute the values of r = 5 and h = 12 in l = √(r 2 + h 2).

l = √(52 + 122)

  = √(25 + 144)

  = √169

  = 13.

Therefore, slanted height of the cone is 13m.

answered Apr 9, 2014 by lilly Expert

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