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Lesson
Triangles have angle sum 180°, exterior angle property, and Pythagoras verification in right triangles.
Learning objectives
Recognise Properties of Triangles in a Grade 7 problem.
Choose the correct representation, rule, formula, or property.
Check the final answer for sign, unit, diagram condition, or simplified form.
Lesson
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Notes
Review the compact notes before moving into recall.
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Diagrams
Practice
Choose one small set. The full bank opens only inside the practice session.