Pentagon Calculator Widget
Add our pentagon calculator to your website for free. Compatible with WordPress, Squarespace, and more.
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About Pentagon Calculations
A pentagon is a five-sided polygon with five vertices and five interior angles. Regular pentagons have equal sides and angles, making them particularly useful in architecture and design.
Key Pentagon Properties
- All interior angles are 108°
- Sum of interior angles is 540°
- Area = (5 × s²) / (4 × tan(36°)) where s is side length
- Perimeter = 5 × side length