In this publication, we will consider a formula with which you can calculate the volume of a right truncated circular cone, and also analyze an example of solving the problem for a better understanding of the material.
Content
The formula for calculating the volume of a truncated cone
To find the volume of a right truncated circular cone, you need to know both the radii of its bases and the height.
- R/r are the radii of the bases;
- h is the height of the cone.
Note: in calculations the value of the number π usually rounded up to 3,14.
Example of a problem
The height of a truncated circular cone is 9 cm, and the radii of its bases are 4 cm and 7 cm. Find the volume of this figure.
Solution
Let’s use the above formula, substituting the known values into it:
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