# Volume of a cone by integration

1. Oct 14, 2004

### rainbowGirl

Can anyone help me with this question?

A uniform solid cone of height b and base radius a stands on a horizontal table. Find an expression for the volume of the disc at height h above the base. Integrate over all the discs to show that the total volume, V, is given by V =pi/3 * b * a^2

2. Oct 14, 2004

### NateTG

Can you find the radius of the cone at height $$h$$?
What is the volume of a cylinder with radius $$r$$ and height $$dx$$?

3. Oct 14, 2004

### Tide

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