Equilateral triangles are also equiangular -- that is, all three internal angles are also equal to each other, with measures of 60 degrees each.
See also trigonometry.
... there are 3,587 people, 1,445 households, and 881 families residing in the town. The population density is 248.2/km² (643.1/mi²). There are 2,251 housing ...