Equilateral

In an equilateral triangle with vertices A, B and C, the distance from A to B is the same distance as from B to C, or from C to A.

An equilateral triangle has three sides of equal length.

This is an equilateral triangle.

An equilateral triangle has three equal length sides and three equal size angles.

Stargazers have also noticed that Betelgeuse, Procyon, and Sirius make up an almost perfectly equilateral Winter Triangle.

The equilateral triangle, the square and the regular hexagon are the only regular polygons that can form a tessellation of the plane.

Kissinger had wanted to keep an “equilateral” distance between the US, USSR and China. Under Carter, they became de facto partners.