Geometric interpretation and vector problem

[icystrike]

Homework Statement

They were asking for the geometric interpretation and the says its triangular prism with infinite right angles. I don't understand what they mean by that.

Homework Equations

The Attempt at a Solution

 

[HallsofIvy]

It doesn't say "with infinite right angles". It says "an infinite (right angles) triangular prism". It is one side of it that has infinite length.

 

[icystrike]

It doesn't say "with infinite right angles". It says "an infinite (right angles) triangular prism". It is one side of it that has infinite length.

Oh! Thanks for clearing my doubt.