Pentagon CalculatorCreated by Luis FernandoLast updated: Jun 24, 2022Regular pentagons have internal angles of 108°. This calc relates the side length to the corner-center distance, edge-center distance, and area.Luis FernandoSide (a)inPerimeterinAreain²Diagonal (d)inHeight (h)inCircumcircle radius (R)inIncircle radius (apothem) (r)in
Polar coordinatesFind out how to convert between the two most important coordinate systems in two dimensions with our polar coordinates calculator!Polar Coordinates Calculator
Pyramid volumeAny pyramid has a volume that is 1/3 its height multiplied by its base area, whether a triangle, square, or any other shape.Pyramid Volume Calculator