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Auxiliary Projections and Change of Dihedral Planes

10th Grade · Math · Open Global Math

7 lessons

Goal

Transform general lines and planes into special positions using successive auxiliary reference planes to solve metric and spatial problems.

7 lessons
0 of 7 done
  1. Foundations of Auxiliary Projection PlanesUp next
  2. Transforming an Oblique Line to True Length via Auxiliary ViewsNot started yet
  3. Projecting a Line as an End View (Point View)Not started yet
  4. Transforming an Oblique Plane into an Edge ViewYou are here
  5. Determining the True Shape of a Plane via Secondary Auxiliary ViewsNot started yet
  6. Finding the Dihedral Angle Between Intersecting PlanesNot started yet
  7. Shortest Distance and Common Perpendicular of Skew LinesNot started yet
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Learning standards covered

GlobalOGM.11.DES.2Open Global Math Standards 2026™ · 10th Grade

Determine intersections, parallelism, and perpendicularity between lines and planes in multi-view projection systems; apply auxiliary projection methods including changes of dihedral projection planes and 3D spatial rotations to analyze complex geometric solids.