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Triangles with three common measures
Students complete a series of problems to compare different triangles by looking at sides and angles.
|Student task, Home practice tasks
|Teaching strategies and pedagogical approaches
|Strand and focus
|Angles and geometric reasoning
|AC: Mathematics (V9.0) content descriptions
Demonstrate that the interior angle sum of a triangle in the plane is 180° and apply this to determine the interior angle sum of other shapes and the size of unknown angles
Classify triangles, quadrilaterals and other polygons according to their side and angle properties; identify and reason about relationships
Understanding geometric properties (P4, P6)
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