Lesson deck
Geometry & measuresHigher
Sine rule:Finding a side
Starts from the triangle with its height h drawn: h worked out two ways gives the rule. Then each side is paired with the angle opposite it in a fraction frame: known pair given at first, then an empty frame, then the third angle has to be found first.
A free GCSE Higher geometry and measures lesson on sine rule: finding a side, spec code G22. It has a lesson deck to teach from with a visualiser, a worksheet with answers, a puzzle, an exit ticket and an end of unit test.
Higher
Sine rule:Finding a side
Exit ticket
Sine rule:Finding a side
Puzzle
Code breaker:Sine and cosine rules
Test
Further trigonometry test:Higher
More in Pythagoras and trigonometry
- Pythagoras: finding the hypotenuseLesson · Common
- Pythagoras: finding a shorter sideLesson · Common
- Pythagoras in 3DLesson · Higher
- Trigonometry: finding a side with sineLesson · Common
- Trigonometry: finding a sideLesson · Common
- Trigonometry: missing sides, mixedLesson · Common
- Trigonometry: finding an angleLesson · Common
- Trigonometry: missing sides and angles, mixedLesson · Common
- Exact trigonometric valuesLesson · Common
- Geometry puzzles with algebraLesson · Stretch
- Answer chain: PythagorasPuzzle
- Code breaker: PythagorasPuzzle
- Revision mat: Pythagoras’ theorem, Foundation BRevision mat · Foundation
- Revision mat: Pythagoras’ theorem, Foundation ARevision mat · Foundation