Support · Mathematics Standard 11–12 – Year 12 – Standard 1 · Right-angled triangles
Support Apply Pythagoras’ theorem to solve practical problems in two dimensions
Resources for the prerequisite content of this dot point: earlier-stage (or earlier sub-level) dot points in the same strand that students usually need first. Use these to fill gaps before or alongside the core lesson.
Prerequisite links are draft mappings generated from the syllabus structure (earlier stage, same strand, closest content). They are being reviewed by teachers. Spot a poor match? Tell us.
Prerequisite dot points
Apply Pythagoras’ theorem to solve problems involving right-angled triangles
Mathematics Standard 11–12 – Year 11 · Applications of measurement Draft mapping
- Corbettmaths practice questions: PythagorasUse it for: Free printable graded practice questions (with answers) on pythagoras for drill or a quick check.
- VideoStarterCorbettmaths video: PythagorasUse it for: Short worked-example video on pythagoras to model the method before practice or for flipped revision.
Solve a variety of practical problems involving trigonometric ratios in right-angled triangles
Stage 5 · Trigonometry A Draft mapping
- WorksheetDrillKuta free worksheet: Solving right trianglesUse it for: Printable skills-practice sheet with answer key on solving right triangles; good for drill or homework.
Identify the sine, cosine and tangent ratios in a right-angled triangle
Stage 5 · Trigonometry A Draft mapping
- Interactive toolEnrichmentMathigon: Triangles and TrigonometryUse it for: Interactive lessons building to Pythagoras and trig ratios.
- Interactive toolStarterMathsisfun: Sine, cosine, tangentUse it for: Drag a triangle to see ratios stay constant.
- WorksheetDrillKuta free worksheet: Finding trig ratiosUse it for: Printable skills-practice sheet with answer key on finding trig ratios; good for drill or homework.
- WorksheetDrillKuta free worksheet: Trig ratiosUse it for: Printable skills-practice sheet with answer key on trig ratios; good for drill or homework.