Question

difinition of edges,faces and vertices of 2d and 3d surfaces

Answer 1

take a cuboid a rectangle has 12 edges, 6 faces and 8 vertices. the edge is the boundrary of the cuboid the face is the no. of plane surfaces the object, and the vertices are where the two edges meet that point is called vertice.
and the same can be said on rectangle which is 2d.
hope this helps u !!!!!!!!!!!