Irregular Roof Slopes intersect at Corner Angle greater than 90°
Minor Plan Angle exceeds 90°
Main Slope Angle = 40° Minor Slope Angle = 20°
Corner Angle measured between Eaves in Plan View = 120°
Roof Lines and Angles ... Plan and Section Views
3D Models of Roof
Plan View
Oblique View showing Lengths and Angles on the surface of the Roof
Oblique View showing lines of Common Rafters
Sketches of Tetrahedra extracted from Irregular Pentagonal Roof
Casio fx 7700 GB Graphing Calculator Program
Arccos or Vector Formulas used in the Casio Graphing Calculator Program
