Similarity and congruency (OCR GCSE Maths): Flashcards

Identical in size and shape

Same form but different size

All three sides equal

Two sides and included angle equal

Two angles and corresponding side equal

Right angle, hypotenuse, and one side equal

Four

Factor to multiply/divide lengths by to get corresponding lengths

All corresponding angles must be equal

All corresponding sides must be proportional

$(Length Scale Factor)^2$

$(Length Scale Factor)^3$