The geometry of the sp2 hybrid orbitals is trigonal planar, with the lobes of the orbitals pointing towards the corners of a triangle (see figure below). Figure \PageIndex7: The process of ...The geometry of the sp2 hybrid orbitals is trigonal planar, with the lobes of the orbitals pointing towards the corners of a triangle (see figure below). Figure \PageIndex7: The process of sp2 hybridization is the mixing of an s orbital with a set of two p orbitals (px and py) to form a set of three sp2 hybrid orbitals.