20 Congruent Rotated Equilateral Triangles
Illustration of 20 congruent equilateral triangles that have the same center. Each triangle has been rotated 6° in relation to the one next to it.
Keywordstriangle, symmetry, equilateral, polygon, polygons, equiangular, symmetric, geometric shapes, concentric triangles, 20 congruent
Florida Center for Instructional Technology Clipart ETC (Tampa: University of South Florida, 2007)