This activity guides students through 1. drawing a triangle on a circle and looking at its properties and angles (aka circle theorems) and then 2. drawing a triangle, circumscribing the triangle, calculating the values of the Sine Rule ratios and then interpreting this ratio value geometrically.
QR codes link to clips for finding centre of circle and circumscribing triangle so students can easily research if needed.
Inspired by James Tanton - beautiful mathematics. Brief explanation/photo on second page.
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