Euclidean geometry is an argument, not a set of facts. Five lessons build the discipline of formal proof: what may serve as a reason, how congruence and similarity are established, and how every property and every test is earned from a definition.
This is a Path focus area, sitting outside the Core and preparing you for Mathematics Advanced and Extension in Year 11. Formal proof is the habit senior mathematics assumes you already have, so the setting out matters as much as the geometry.
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