Mathematics A-Level
Euclidean distance
What Euclidean distance means in Mathematics A-Level, as defined for WJEC.
Definition of Euclidean distance
Check what you remember
Read the wording for your board, then hide it and explain Euclidean distance in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: WJEC
The straight-line distance between points A and B, equal to the magnitude of the displacement vector AB, calculated using Pythagoras' theorem.
Topics that use Euclidean distance
- Vectors (AS Unit 1: Pure Mathematics A) (WJEC A-Level)
Related terms
- direction
- Displacement vector
- geometric vector proofs
- Parallel vectors
- Position vector
- position vectors
- scalar multiplication
- vector addition
Using Euclidean distance 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.
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