Trèteaux Angles: P10m-DP
 P10m-DP = Main Side Jack Rafter Miter Angle on Side Face Perpendicular to Roof Surface at Hip Rafter Rotated Into Roof Surface
 Hip-Valley Roof Ratios Angle Formulas
- P10m-DP = 90.00
- P10m-DP = 90.00
 
 
 
 
The Trèteaux Angles Formulas for Hip Rafters Rotated into the Roof Surface Plane were developed by Sim Ayers and Joe Bartok.