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In geometry, a pentagon is a five-sided polygon with five straight sides and five interior angles, which add up to 540°. Learn more about Pentagon, Regular and Irregular Pentagons and their shape with Formulas, Definitions, Examples, Properties, Area, Perimeter, etc.
Pentagon: Definition, Shape, Types, Properties, and Formula
Pentagon Shape - Definition, Properties, Pentagon Sides
Pentagon -- from Wolfram MathWorld
Types of regular polygons. Triangle, Quadrilateral, Pentagon, Hexagon, Heptagon, Octagon, Nonagon and Decagon shapes. Vector illustration isolated on white background. Stock Vector
Pentagon - Wikipedia
Properties of Pentagons - eTutorWorld
What is a Pentagon? - Maths - Twinkl
Pentagon - Definition, Shape, Properties, Types, Formula & Example
American Board
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Regular and irregular polygons