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Geometry & measuresHigher

Sine rule:Finding an angle

Each angle is written over the side opposite it, with the sines on top. Then an obtuse angle, a third angle to find, a lettered triangle with nothing marked and a triangle turned round.

A free GCSE Higher geometry and measures lesson on sine rule: finding an angle, 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.

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