Paper 2 · Geometry Lesson 1 of 16

LCOL Geometry 1: Theorems, Axioms and Corollaries

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You’ll learn

Know the definitions of the four words: axiom, theorem, corollary, converse
Learn ONE axiom: a straight angle is 180°. That is enough if you're…
Group Theorems 1, 3, 5 together: vertically opposite, alternate (Z), corresponding (F) angles

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