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Quadrilateral Geometry

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Three corners or angles

Six corners or angles

Five corners or angles

Four corners or angles (correct)

All interior angles are more than 180°

All interior angles are equal to 180°

All interior angles are less than 180° (correct)

All exterior angles are less than 180°

A polygon with four edges and four corners (correct)

A polygon with three edges and three corners

A polygon with five edges and five corners

A polygon with six edges and six corners

<p>$360^{ ext{o}}$</p> Signup and view all the answers

<p>$S = (n − 2) × 180°$</p> Signup and view all the answers

The Greek word 'tetragon' means 'four-angled'.
A convex quadrilateral is a shape with four sides and all its interior angles are less than 180°.
The word 'quadrilateral' refers to a polygon with four sides.
The interior angles of a simple quadrilateral add up to 360°.
The special case of the n-gon interior angle sum formula for a quadrilateral is (n-2) × 180°, where n = 4.