equiangular

adjective
equi·​an·​gu·​lar | \ ˌē-kwi-ˈaŋ-gyə-lər How to pronounce equiangular (audio) , ˌe-kwi-\

Definition of equiangular

: having all or corresponding angles equal mutually equiangular parallelograms

First Known Use of equiangular

1660, in the meaning defined above

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The first known use of equiangular was in 1660

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