What is the shape?

[Guest]

If you cut the point off of a cone what is the new shape called?

[AugustineCampbell]

Frustum Of a Cone
https://www.youtube.com/watch?v=5tPMvXYPzHc
Here is the answer with formulas and video,

I am studying now at the Institute for Mathematical Research, but sometimes I also have controversial questions, the answer to which I seek in various mathematical forums and Internet resources like this one.

[Guest]

Calculate the lateral area, surface area and volume of a truncated cone of radii 10 and 12 cm and a slant height of 15 cm.

[Guest]

Calculate the lateral area, surface area and volume of a truncated cone of radii 10 and 12 cm and a slant height of 15 cm.

https://www.ditutor.com/solid_gometry/images/57_3.gif
this will help you

[AugustineCampbell]

Calculate the lateral area, surface area and volume of a truncated cone of radii 10 and 12 cm and a slant height of 15 cm.

Yes, this is the correct formula.