loghanmyers
loghanmyers loghanmyers
  • 11-07-2017
  • Mathematics
contestada

Find the slant height of a cone with surface area 282.74 ft2 and diameter 10 ft.

Respuesta :

barnuts
barnuts barnuts
  • 21-07-2017

The formula for the surface area of cone is:

Surface Area of Cone = π * r * l + π * r^2               , where l = slant height

Substituting the given values:

282.74 ft^2 = 3.14 * 5 ft * l + 3.14 * (5 ft)^2

l = 13 ft

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