edge
As long as they are not parallel, they will meet at an "edge", which is just a straight line.
If the faces are flat, it's a line.
Yes. I think of an edge as a line. The edges meet at vertices, and the faces meet at edges.
An angle is formed when two lines meet at a point.
triangle * * * * * What? Two lines can make an angle, but how can they make a triangle?
EDGE
They meet at an edge
An edge.
That would be an edge.
Edge
edge!
An edge is the the answer
Edge. (:
That would be an edge.
An angle is formed at the vertex
Technically, that's known as an "edge" of the prism.
An edge is an area of a 3D figure where two faces meet to form a line segment.