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Angles in regular polygons

The polygon drawn on every question with one side carried on: share 360° between the sides for the exterior angle, then take it from 180° for the interior angle, with the two rows printed to fill in.

A free key stage 3 and GCSE support geometry and measures lesson on angles in regular polygons, spec code G3. It has a lesson deck to teach from with a visualiser, a worksheet with answers, an exit ticket and an end of unit test.

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