The plane surfaces intersect in a ____________ the line of intersection between two curved surfaces is _________ and between a plane surface and curved surfaces is a _________
(a) straight line, curve, curve
(b) straight line, straight line, curve
(c) straight line, curve, straight line
(d) curve, curve, curve
The question was asked in final exam.
My doubt is from Intersection of Surfaces topic in section Development & Intersection of Surfaces of Engineering Drawing