If a line is in profile plane making an angle of 30 degrees with vertical plane. In which angle the line makes with the horizontal plane?
(a) Can’t say
(b) 90 degrees
(c) 0 degrees
(d) 60 degrees
I have been asked this question in exam.
I'd like to ask this question from Line contained by a Plane Perpendicular to Both the Reference Planes topic in section Projection of Lines of Engineering Drawing