Golden ratio. The obtuse angle with the broad rhombic faces is usually the dihedral angle of a regular icosahedron, with the obtuse angle while in the faces of golden rhombi equal to the dihedral angle of a regular octahedron plus the tetrahedral vertex-center-vertex angle, and that is also the angle https://northcashloans32604.total-blog.com/what-does-90-cash-loan-mean-61349858