Solutions · Grade 10 · 19 pages · PDF
PolygonsSolutions
Every worksheet question worked in full.
A complete 19-page IGCSE guide to polygons. It covers what makes a shape a polygon, naming polygons, regular vs irregular, and convex vs concave. The main sections teach the interior angle sum, interior and exterior angles of regular polygons, and finding the number of sides from a given angle. It also covers diagonals and symmetry in regular polygons, and finishes with algebraic angle problems. Every formula comes with a clear diagram and step-by-step worked examples. It ends with a summary, a keyword guide and exam tips.
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