Stage 28 · Solid Geometry & Views
28.5.3 How Two Lines Sit in Space
28.5 Points, Lines, and Planes in Space: How the Three Get Along
Point 3 of 5
28.5.3 How Two Lines Sit in Space
Core ideaTwo pipes in a room either cross, run parallel, or do neither, that last case being skew lines.
Module goal. Build the language and basic facts of spatial position, sorting out how points, lines, and planes intersect or run parallel, to lay the groundwork for judging parallelism and perpendicularity.