State the formula for the sum of interior angles in a polygon with nnn sides.
(n−2)×360∘(n - 2) \times 360^\circ(n−2)×360∘
(n−1)×180∘(n - 1) \times 180^\circ(n−1)×180∘
(n−2)×180∘(n - 2) \times 180^\circ(n−2)×180∘
n×180∘n \times 180^\circn×180∘
Flashcards for Edexcel IGCSE Maths Angles in Polygons, covering the key terms, formulae and methods you need to recall for Paper 1 and Paper 2. 1 card, matched to the Edexcel IGCSE Maths (4MA1) specification.