Math

posted by .

A cone has a diameter of 12 feet and a slant height of 20 feet, if you triple both dimensions will it triple the surface area?? PLEASE ANSWER QUICKLY!!!

  • Math -

    No. Areas are proportional to the square of linear dimensions, for similar figures. In your case, the area increases by a factor of 9.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. math

    the dimensions of a rectangular prism are height 7 feet, width 4 feet and length 3 feet find the surface area part 2: dimensions of the cylinder are height 7 feet and radius 3.5 feet solve with a decimal then round to the nearest half …
  2. geometry

    1. What is the lateral surface area of a square pyramid with side length 11.2 cm and slant height 20 cm?
  3. geometry

    The surface area of a cone is 38 in^2. The radius of a similar cone is triple the radiusof the orginal cone. What is the surface area of the new cone?
  4. math

    Find the surface area of a cone if the diameter of its base is 13.5 feet, and it has a slant height of 16.8 feet. Round to the nearest tenth.
  5. math

    Find the surface area of a cone with diameter 27 m and slant height 19 m. Leave your answer in terms of . Note: You do not need to include in your answer
  6. Math help

    how to find the surface area of a cone with a diameter of 8 and a slant height of 7?
  7. Math (help)

    how to find the surface area of a cone with a diameter of 8 and a slant height of 7?
  8. math

    The bottom portion of a loading bin is cone shaped. The base radius of this part of the bin is 3.5 feet and the slant height is 6.5 feet. What is the capacity and lateral surface area of this part of the bin?
  9. Math

    Hi could you please check my answers? Find the lateral of the square pyramid (I don't have a picture so I'll describe the figure) the square base is 8m around each side of the square and the slant height is 22m, my answer is 352 cm^2.
  10. math

    If a cone has a Surface Area of 417π and a diameter of 6 determine its slant height.

More Similar Questions