Regular Pentagon Calculator
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.
|Perimeter = 5 * a|
|Area enclosed (A) =||a² * √(25 + 10 * √5)|
|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.