## triangle alpha-beta-gamma, where alpha+beta+gamma = 120 degrees ## ## You can change alpha, beta, and gamma using 'tessellation sliders' in the geometry experiments menu. ## h2. angleunit(deg) slider(a,40,0,120) slider(b,40,0,120) let(c = 120-a-b) let(ea=edge_angles(a,b,c)) let(eb=edge_angles(b,c,a)) let(ec=edge_angles(c,a,b)) tile(ea, b, ec, a, eb, c) conway("(0)(1)(2)") cscale(.75)