equal-sided

Two of these, L4 and the aforementioned L5, form "an equal-sided triangle" with the Earth and the Moon and move around the Earth as the Moon goes through its lunar orbit.

Square numbers have values that can be assembled into an equal-sided grid.

Petals 5, equal-sided, oblong, naked, imbricated in the bud.

Pod flattened, composed of several equal-sided separable roundish joints connected in the middle.—Perennial herbs; leaves odd-pinnate.

Or it may be made of one pole supported at each end by two legs spread out widely apart, like two sides of an equilateral or equal-sided triangle.