Geometry & MeasuresKey Facts

Key Formulas

Part of Volume of Pyramids & Cones · GCSE GCSE Mathematics revision

This key facts covers Key Formulas within Volume of Pyramids & Cones for GCSE Mathematics. Revise Volume of Pyramids & Cones in Geometry & Measures for GCSE Mathematics with 10 exam-style questions and 3 flashcards. This topic appears regularly enough that it should still be part of a steady revision cycle. It is section 2 of 5 in this topic. Use this key facts to connect the idea to the wider topic before moving on to questions and flashcards.

Topic position

Section 2 of 5

Practice

10 questions

Recall

3 flashcards

Key Formulas

Pyramid	V = (1/3) × base area × height
Cone	V = (1/3) × πr² × h
Key Rule	Both are 1/3 of the matching prism/cylinder
Height	PERPENDICULAR height (straight up from base)

Keep building this topic

Read this section alongside the surrounding pages in Volume of Pyramids & Cones. That gives you the full topic sequence instead of a single isolated revision point.

The 1/3 Rule Method Worked Example: Cone Volume Knowledge Organiser: Volume of Pyramids & Cones

Practice Questions for Volume of Pyramids & Cones

What is the formula for the volume of a cone with base radius r and height h?

A. πr²h
B. (1/3)πr²h
C. (1/2)πr²h
D. (2/3)πr³

1 markfoundation

Explain why the volume of a cone is one third of the volume of a cylinder with the same base and height.

2 markshigher

Quick Recall Flashcards

Volume of Cone

⅓ × πr² × h

The 1/3 Rule

Pyramids and cones are both 1/3 of their matching prism/cylinder. V = (1/3) × base area × height

10 questions on Volume of Pyramids & Cones — practise free

Instant marking, adaptive difficulty, and 3 spaced repetition flashcards. Free until your GCSEs.

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The 1/3 Rule

Method