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Concept · 4 steps · NESA MA4-ANG-C-01

Solving Angle Problems with Reasoning

The pay-off concept of geometry: you take a couple of angle facts and chain them together to crack an unknown — and you say why at every step. This is where the marks live.

1Where it comes fromThe angle chase — find a hidden angle by linking two or three facts. 2How to do itSet it out properly: an answer and a reason, every line. 3Where it gets trickyNever assume parallel or equal — and there's often more than one path. 4Out in the wildRoof trusses and signage, plus designing angles to fit.
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