Found 1 items, similar to Regular pentagon.
English → English (gcide) Definition: Regular pentagon Pentagon \Pen"ta*gon\, n. [Gr. ?; ? (see Penta-) + gwni`a angle: cf. L. pentagonium, F. pentagone.] (Geom.) A plane figure having five angles, and, consequently, five sides; any figure having five angles. [1913 Webster] Regular pentagon, a pentagon in which the angles are all equal, and the sides all equal. [1913 Webster]