Angles in Polygons Flashcards

GCSE Mathematics (Edexcel) 1MA1

Interior angle of a regular polygon

The angle formed inside a regular polygon at each vertex.

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Terms in this set (10)

1

Interior angle of a regular polygon

The angle formed inside a regular polygon at each vertex.

2

Exterior angle of a regular polygon

The angle formed outside a regular polygon when one side is extended.

3

Sum of interior angles of a polygon

(n - 2) × 180°, where n is the number of sides.

4

Interior angle of a regular polygon formula

(n - 2) × 180° ÷ n, where n is the number of sides.

5

Exterior angle of a regular polygon formula

360° ÷ n, where n is the number of sides.

6

Sum of exterior angles of any polygon

360°, regardless of the number of sides.

7

Relationship between interior and exterior angles

Interior angle + Exterior angle = 180°.

8

Number of sides of a regular polygon from an exterior angle

n = 360° ÷ exterior angle.

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Definition of a regular polygon

A polygon where all sides and angles are equal.

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Interior angle of a hexagon

120°, calculated using (6 - 2) × 180° ÷ 6.

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