What you need to know
Check yourself against these “I can” statements.
- I can decide whether to use Pythagoras' theorem or trigonometry to solve a problem
- I can combine Pythagoras' theorem and trigonometry to solve 2D problems
- I can use Pythagoras' theorem and trigonometry to solve problems in 3D shapes
Practise this topic
6 resourcesRight-Angled Trigonometry: Mixed Problems
Sides and angles in right-angled triangles, with diagrams drawn to scale and worked solutions one triangle at a time: finding a side or an angle with and without a diagram, two steps, isosceles triangles and trapezia, elevation…
⚙️ WorksheetTrig: Finding Angles
SOH CAH TOA and the inverse, with diagrams drawn to scale: choose the ratio, two sides given, all sides given, Pythagoras then trig, isosceles triangles, trig twice (a side and an angle), then questions with no diagram. Seven…
⚙️ WorksheetTrig: Finding Sides
SOH CAH TOA with diagrams drawn to scale: choose the ratio, x on the top, x on the bottom, trig then Pythagoras, trig twice, isosceles triangles, then questions with no diagram. Seven levels, timed, click to reveal.
⬢ BlockbustersRight-Angled Trigonometry: Mixed Problems Blockbusters
Blockbusters with the questions from the Right-Angled Trigonometry: Mixed Problems worksheet: choose its levels for the ordinary hexagons and for the harder ★ ones. Show the answer and the worked solution, or play against the…
⬢ BlockbustersTrig: Finding Angles Blockbusters
Blockbusters with the questions from the Trig: Finding Angles worksheet: choose its levels for the ordinary hexagons and for the harder ★ ones. Show the answer and the worked solution, or play against the computer with multiple…
⬢ BlockbustersTrig: Finding Sides Blockbusters
Blockbusters with the questions from the Trig: Finding Sides worksheet: choose its levels for the ordinary hexagons and for the harder ★ ones. Show the answer and the worked solution, or play against the computer with multiple…
These are the pages for Solving Problems using Trigonometry in the Year 9 scheme of work, following Pearson Edexcel Maths Progress Delta 3, then GCSE (9–1) Higher (1MA1). Open this topic in Mr Wells Maths to see it alongside the rest of the course.