SOLUTION: The altitude of a regular cone is twice its base radius. if its volume is 3,400 cubic meter what is the total surface area?
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Question 1138274: The altitude of a regular cone is twice its base radius. if its volume is 3,400 cubic meter what is the total surface area?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
The altitude of a regular cone is twice its base radius. if its volume is cubic meter what is the total surface area?
Since the base of a cone is a circle, the formula for finding the volume of a cone is:
given:
the altitude of a regular cone is twice its base radius:
The total surface area of a cone is the sum of the area of its base and the lateral (side) surface.
the formula for the lateral surface area of a right cone is
, where l is the slant height of the cone
use and to find the slant height
area of the base:
=>The total surface area of a cone is:
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