Figure of seven angles, when all are equal is said that it is a regular heptagon, and consequently also their sides measuring the same thing; an irregular heptagon can have sides of equal size or not, but their angles are never all equal. Greek 949; 960; 964; 945; ( epta, " seven " ) and 947; 969; 957; 959; 962; ( gonos, " 34 angle; ).
