Calculation for 50-foot by 20-foot dome

A half-ellipsoid dome calculation for a large three-bedroom Monolithic Dome home. The dome is 50-feet in diameter by 20-feet tall with a 10-foot floor level added for a potential loft. The elliptical cross-section of this oblate ellipsoid flattens the top while creating more headroom around the base. Click for the live version of this design.