Stage 5 · Properties of geometrical figures C (Path) · Apply logical reasoning to proofs involving plane shapes · Topic: Geometry: shapes & angles · Year 9, 10
Prove the properties of isosceles and equilateral triangles and special quadrilaterals from the formal definition of the shapes
Dot point ID k-10-2022-stage-5-properties-of-geometrical-figures-c-path/prc-alr-stg5-02 · NESA code MA_K_10_CP_PRC_ALR_STG5_02 · See it on the NSW Curriculum website ↗
↩SupportBuild the prerequisite skills first · 8 resources★EnrichExtension & rich tasks · 2 resources
Outcomes for this focus area (MA5-GEO-P-02)
MA5-GEO-P-02 constructs proofs involving congruent triangles and similar triangles and proves properties of plane shapes (Path: Ext)Core resources for this dot point
On-level resources, grouped by type. Need the building blocks? Use Support. Ready for more? Use Enrich.
Worksheet
- WorksheetDrillKuta free worksheet: Isosceles and equilateral trianglesUse it for: Printable skills-practice sheet with answer key on isosceles and equilateral triangles; good for drill or homework.