Line 1:
Line 1:
[[File:Theta.jpg|frameless|px=200]]
[[File:Theta.jpg]]
==Slope gradient==
==Slope gradient==
Slope gradients are expressed as Y:X where Y is a single unit of rise and X is the corresponding run. It can be calculated by dividing the rise by the run:
Slope gradients are expressed as Y:X where Y is a single unit of rise and X is the corresponding run. It can be calculated by dividing the rise by the run: