Polygons (AQA GCSE Maths): Flashcards

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Polygons
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Polygon definition

Closed shape made of straight lines with vertices

Regular polygon properties

All sides equal length AND all angles equal size

Interior + exterior angle sum

180°180°

Sum of exterior angles (any polygon)

360°360°

Sum of interior angles formula

(n2)imes180°(n-2) imes 180° where nn is number of sides

Exterior angle formula (regular polygon)

rac{360°}{n} where nn is number of sides

Hexagon sides

6 sides

Octagon sides

8 sides

Pentagon sides

5 sides

Decagon sides

10 sides

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