equilateral

Lisa will use the same principle but fire its beams over a much greater distance, and between three identical spacecraft arranged as an equilateral triangle.

On the other hand, if one has three coins available, there are suddenly two different arrangements that seem space-saving: one either lines them up side by side or places them along the corners of an equilateral triangle.

These related tilings are made of shapes called polyiamonds, simple tiles formed by combining equilateral triangles.

Often, the sandbox game is about the quiet joys of pastoral life, where players construct homesteads, rear livestock, and grow crops in a world made up entirely of perfectly equilateral cubes.

Euclid’s first task—Book 1, Proposition 1—was to show that given any line, he could make an equilateral triangle, i.e., a triangle with three equal sides, with that line as one side.