Mathematics GCSE
ASA
What ASA means in Mathematics GCSE, as defined for AQA.
Definition of ASA
Check what you remember
Read the wording for your board, then hide it and explain ASA in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Two angles and the included side of one triangle are equal to two angles and the included side of another, so the triangles are congruent.
Topics that use ASA
- Properties and constructions (AQA GCSE)
Related terms
- Alternate and corresponding angles on parallel lines
- Angle bisection
- Angle sums in triangles, polygons and regular polygons
- Arc
- centre
- Chord
- Circumference
- Congruence
Using ASA 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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