State the formula for the sum of interior angles in a polygon with nnn sides.
(n−1)×180∘(n - 1) \times 180^\circ(n−1)×180∘
(n−2)×360∘(n - 2) \times 360^\circ(n−2)×360∘
n×180∘n \times 180^\circn×180∘
(n−2)×180∘(n - 2) \times 180^\circ(n−2)×180∘
Flashcards for CIE IGCSE Maths Angles in Polygons, covering the key terms, formulae and methods you need to recall for Paper 1 and Paper 3 (Core) or Paper 2 and Paper 4 (Extended). 1 card, matched to the CIE IGCSE Maths (0580) specification.