Stage 5 · Properties of geometrical figures C (Path) · Construct formal proofs involving congruent and similar triangles · Topic: Geometry: shapes & angles · Year 9, 10
Construct formal proofs of the congruence of triangles, preserving the matching order of vertices and drawing relevant conclusions
Dot point ID k-10-2022-stage-5-properties-of-geometrical-figures-c-path/prc-cfp-stg5-01 · NESA code MA_K_10_CP_PRC_CFP_STG5_01 · See it on the NSW Curriculum website ↗
↩SupportBuild the prerequisite skills first · 5 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
- Corbettmaths practice questions: Congruent trianglesUse it for: Free printable graded practice questions (with answers) on congruent triangles for drill or a quick check.
Video
- VideoStarterCorbettmaths video: Congruent trianglesUse it for: Short worked-example video on congruent triangles to model the method before practice or for flipped revision.