Pythagoras’ theorem in three dimensions
What Pythagoras’ theorem in three dimensions means in Mathematics GCSE, as defined for AQA.
Definition of Pythagoras’ theorem in three dimensions
Check what you remember
Read the wording for your board, then hide it and explain Pythagoras’ theorem in three dimensions in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Applying a² + b² = c² to a right-angled triangle within a two-dimensional or three-dimensional figure to find a length.
Topics that use Pythagoras’ theorem in three dimensions
- Mensuration and calculation (AQA GCSE)
Related terms
- Accurate substitution and rearrangement
- arc length
- Area = ½ab sin C
- Circumference
- composite shapes
- Corresponding vertices and sides
- Diameter
- Frustum
Using Pythagoras’ theorem in three dimensions in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Mathematics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge