Unlock the secrets of the five-sided polygon with our user-friendly Pentagon Calculator. Quickly determine the area, perimeter, and side length of any regular pentagon, along with its precise interior and exterior angles. Perfect for geometry, design, and educational purposes.
Formula:
- Area (A) = (1/4) √(5 * (5 + 2√5)) * s²
- Perimeter (P) = 5 * s
- Interior Angle (θ) = 108°
- Exterior Angle = 72°