Definition:Pentagon/Regular
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Definition
A regular pentagon is a pentagon which is both equilateral and equiangular.
That is, a regular polygon with $5$ sides.
That is, a pentagon in which all the sides are the same length, and all the vertices have the same angle:
Linguistic Note
The word pentagon derives from the Classical Greek:
- pente (πέντε), meaning five
- gon, deriving from the Greek word for corner.
Sources
- 1992: George F. Simmons: Calculus Gems ... (previous) ... (next): Chapter $\text {A}.4$: Euclid (flourished ca. $300$ B.C.)