Puzzle
Geometry & measuresPuzzle
Code breaker:Trigonometry
Thirteen right-angled triangles, drawn to the true angle, with only the two sides that matter labelled. Sine, cosine and tangent are mixed, and the last six have the unknown on the bottom of the fraction. One per A4.
A free key stage 3 and GCSE geometry and measures puzzle with answers, spec code G20. It goes with the lessons on trigonometry: finding a side and trigonometry: finding an angle.
Lesson
Trigonometry:Finding a side
Lesson
Trigonometry:Finding an angle
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