Geometry Shape included: • Square • Rectangle • Circle • Ellipse • Triangles: Equilateral • Triangles: Right • Trapezoid • Parallelogram • Stadium Polygon - calculate properties of a regular polygon. Enter any 1 variable for side length or the polygon name. - • pentagon - • hexagon - • heptagon - • octagon - • nonagon - • decagon * Toggle to show Formula for each calculation method. * Units: Note that units of length are shown for convenience. They do not affect the calculations. The units are in place to give an indication of the order of the calculated results such as m, ft, cm or any other. Any other base unit can be substituted. Geometry is, with arithmetic, one of the oldest branches of mathematics. It is concerned with properties of space that are related with distance, shape, size, and relative position of figures. A mathematician who works in the field of geometry is called a geometer. Thanks for your support and do visit nitrio.com for more apps for your iOS devices.