C-06-Q021mediumsingle_mcq
When two surfaces intersect, what is formed?
When two surfaces intersect, what is formed?
- apoint
- bline
- canother surface
- dsolid
ব্যাখ্যা
The boundary or intersection of two surfaces (two-dimensional entities) is a line. Just as the edge where two faces of a solid meet is a line, the intersection of two surfaces produces a line, not a point or another surface.