Volumes of 3D shapes (AQA GCSE Maths): Flashcards

📚Flashcards
Volumes of 3D shapes
Sign up to keep revising.Create a free account to study more flashcards and track your progress.

Practise the cards

10 cards from this deck

Show

Volume formula for a cone

V=13πr2hV = \frac{1}{3}\pi r^2 h

Volume formula for a sphere

V=43πr3V = \frac{4}{3}\pi r^3

Volume formula for a pyramid

V=13AhV = \frac{1}{3}Ah

Which shapes have 13\frac{1}{3} factor in volume formula?

Cone and pyramid

What does hh represent in cone/pyramid volume formulas?

Vertical height

Volume formula for a cylinder

V=πr2hV = \pi r^2 h

Sphere volume: what info is needed?

Only the radius

Why leave volume answers in terms of π\pi?

To avoid rounding errors

First step when comparing volumes of different shapes

Calculate each volume separately

The coefficient in sphere volume formula

43\frac{4}{3} (four thirds)

Join 100,000+ GCSE students studying Flashcards with us.

Select your subjects, and get access to A+ resources today.