The Pyraminx is a Rubik's cube-type toy in the shape of a triangle-based pyramid. Every edge of the Pyraminx below is 15\,\text{cm}15cm15, start text, c, m, end text long. The pyramid's height is h=12.2\,\text{cm}h=12.2cmh, equals, 12, point, 2, start text, c, m, end text. The triangle drawn with dashed lines is a right triangle.