English A 30-60-90 triangle embedded in an equilateral triangle with sides of length 2....
org/licenses/by-sa/4.0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English Equilateral triangle with side length 2 and height square root of 3....
halves of such triangles or with squares, of which we get the ratio √3 of dimensions by comparing areas. French Un triangle équilatéral aux côtés de longueur 2...