A decagram is a geometric figure that consists of ten straight sides and ten angles. It is classified as a type of polygon, specifically a decagon, which is defined by having ten vertices. The term "decagram" is often used in mathematics and design, particularly in the study of shapes and symmetry. In addition to its mathematical significance, the decagram is sometimes used in art and design, where it can symbolize various concepts. For example, it may be associated with geometry or sacred geometry, where shapes hold spiritual or philosophical meanings. The decagram can also appear in heraldry and graphic design as a decorative element.