Loading…
Loading…
GCSE Mathematics · key term
A condition that is sufficient to prove that a quadrilateral is a particular type.
Used by OCR
Specification 8.04b · Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Foundation), Paper 4 (Higher), Paper 5 (Higher), Paper 6 (Higher)
Revise: Quadrilateral PropertiesA test works in the reverse direction and proves the identity of an unknown quadrilateral.
Do not use the converse of a property without knowing that it is a valid test. For example, one pair of equal opposite sides alone does not prove that a quadrilateral is a parallelogram.
Create a free account to read GCSE Mathematics revision notes for your exam board and track your progress.