A tetradecagon is a polygon with fourteen sides and fourteen angles. The term comes from the Greek words "tetra," meaning four, and "deca," meaning ten, combined to indicate fourteen. Each interior angle of a regular tetradecagon measures approximately 128.57 degrees, and the sum of all interior angles is 1,440 degrees. Tetradecagons can be found in various fields, including mathematics and architecture. They are part of the study of polygons, which are shapes with straight sides. Related shapes include the decagon (ten sides) and hexadecagon (sixteen sides), showcasing the diversity of polygonal forms.