Which Way Does Diagonal Go

A diagonal line or movement goes in a sloping direction, for example, from one corner of a square across to the opposite corner.

Why do gates have diagonal sections?

To repair or prevent sagging requires that the door/gate be braced. A brace is a diagonal piece of wood that takes a bit of the load off the nails/screws.

Is diagonal straight up and down?

Diagonal is a kind of straight line. A diagonal line does not go straight up, down, or across. … For example, in geometry a diagonal is any line that goes between the corners of a polygon. So a square has two diagonals, and a five-sided shape has five diagonals.