Mathematics GCSE
Polygon angle sums
What Polygon angle sums means in Mathematics GCSE, as defined for Pearson Edexcel.
Definition of Polygon angle sums
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Reference: Pearson Edexcel
For an n-sided polygon the interior angle sum is (n-2) × 180°, and the exterior angles of any convex polygon always sum to 360°.
Topics that use Polygon angle sums
- Geometry and measures - Properties and constructions (Pearson Edexcel GCSE)
Related terms
- Alternate segment
- Angle properties
- Angle properties in circles
- Arc
- centre
- Chord
- Circumference
- Congruence and similarity
Using Polygon angle sums in the exam
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