Need to be a geometry teacher.

It reminded Dan of the look that his geometry teacher would give him, back in high school, when he went off on the wrong tangent.

You told me you never would have become an architect if it hadn't been for a geometry teacher you really liked in high school.

Well, I seriously doubt that your brother had a geometry teacher.

I went to high school with her; we had the same geometry teacher in 10th grade.

If each plane were a sheet of plastic it would divide space up into 8 octants (ask a geometry teacher if you cannot "see" this).

Then you get a job and find yourself with a boss just like your geometry teacher.

Valentine's other secret, meanwhile, is that she has a major crush on her geometry teacher.

"Sharpie, you must have had an exceptional geometry teacher."

Enraged, Arnold beans his geometry teacher with the book and gets suspended from school.