What symbol should you use to indicate that the lay is perpendicular to the line representing the surface to which the symbol is applied?

Question

Quizplus · Accepted Answer

The symbol for indicating that a lay is perpendicular to the surface is the letter z, which is often drawn next to the lay symbol. This is because a perpendicular line looks like the letter z when viewed from certain angles. The other options ( =, M, X) do not accurately represent a perpendicular orientation.

What Symbol Should You Use to Indicate That the Lay