
Pentagon
Five Equal Sides
In a regular pentagon, all sides and angles are equal. This is not true for irregular pentagons.

A regular pentagon has five sides of the same length.
Shape Attributes
The term 'pentagon' refers only to the number of sides and angles, not their lengths or angles' sizes.

A drawing of a house often includes an irregular pentagon to represent a door.
Math Usage
In math contexts, 'pentagon' often implies a regular pentagon unless specified otherwise.

To calculate the area, remember that this is a regular pentagon.
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