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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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Glossary

union

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

Full Glossary List

This question appears in the following syllabi:

SyllabusModuleSectionTopic
AQA GCSE (9-1) Foundation (UK)G: Mensuration and CalculationG17: Circles, Further and Composite ShapesVolumes
CBSE IX (India)MensurationSurface Area and VolumeCubes, cuboids, spheres, hemispheres
CBSE X (India)MensurationSurface Areas and VolumesVolume of cubes, cuboids, spheres, hemispheres
CIE IGCSE (9-1) Maths (0626 UK)4 MensurationC4.4 Calculations with Standard 3D ShapesMore Volume Problems
Edexcel GCSE (9-1) Foundation (UK)G: Mensuration and CalculationG17: Circles, Further and Composite ShapesVolumes
GCSE Higher (UK)Geometry3D ShapesVolumes
OCR GCSE (9-1) Foundation (UK)10: Mensuration10.04: Volume and Surface Area CalculationsFurther Surface Areas and Volumes
Universal (all site questions)33D ShapesVolumes