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The volume of a cone is given by V = \frac{1}{3}Ah, where A is the area of the base and h is the vertical height. Remember that A = \pi r^2, where r is the radius of the base.

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You can get a better display of the maths by downloading special TeX fonts from jsMath. In the meantime, we will do the best we can with the fonts you have, but it may not be pretty and some equations may not be rendered correctly.

## Glossary

### union

The union of two sets A and B is the set containing all the elements of A and B.

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