Properties of Polygons Flashcards

GCSE Mathematics (Edexcel) 1MA1

Polygon

A 2D shape with straight sides.

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Terms in this set (10)

1

Polygon

A 2D shape with straight sides.

2

Regular Polygon

A polygon where all sides and angles are equal.

3

Irregular Polygon

A polygon where sides and/or angles are not equal.

4

Sum of Interior Angles (Polygon)

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

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Interior Angle of Regular Polygon

Sum of interior angles ÷ number of sides.

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Exterior Angle of Regular Polygon

360° ÷ number of sides.

7

Sum of Exterior Angles (Polygon)

Always 360°, regardless of the number of sides.

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Convex Polygon

A polygon where all interior angles are less than 180°.

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Concave Polygon

A polygon with at least one interior angle greater than 180°.

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Diagonal of a Polygon

A line segment connecting two non-adjacent vertices of a polygon.

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