Regular Pentagon Calculator
Definition
Regular Pentagon - a shape defined by having 5 sides and internal angles amounting to 540 degrees. The name comes from Greek πέντε (pente) meaning five and and γωνία (gonia) meaning a corner, an angle.
Equation form:
| Perimeter = 5 * a |
| Area enclosed (A) = | a² * √(25 + 10 * √5) |
| 4 |
| AC = | 2 * π * a² |
| 5 - √5 |
About Regular Pentagon Calculator tool.
Remember this tool should be used only to calculate area, perimeter or volume of a figure. The results we provide are accurate, but rounded to the 12th decimal place. It accepts scientific notation and converts immediately.