Lines perpendicular to normal orthographic planes are true length, but lines parallel to normal orthographic planes are not.

Question

Quizplus · Accepted Answer

Lines perpendicular to normal orthographic planes are not necessarily true length; true length is seen when a line is parallel to the plane of projection. Lines parallel to normal orthographic planes can be true length if they are parallel to the plane of projection.

Lines Perpendicular to Normal Orthographic Planes Are True Length, but Lines