1) Angular 2) Angulate 3) Having all angles equal 4) Having all the angles equal 1) Angulate 2) Isogonal 
In geometry, the term equiangular relates to having angles of equal measure. In particular: == Symbol == In Unicode, the symbol {unichar|225A|EQUIANGULAR TO} represents the equiangular relation. == Notes == ...
• (a.) Having equal angles; as, an equiangular figure; a square is equiangular.
E`qui·an'gu·lar adjective [ Equi- + angular . Confer Equangular .] Having equal angles; as, an equiangular figure; a square is equiangular . Equiangular spiral . (Math.) 
[adj] - having all angles equal
equiangular 1. A geometric figure in which all angles are equal. 2. Having equal angles; such as, an equiangular figure; a square is equiangular.
adjective having all angles equal
having all the angles equal.