Definition:Above (Plane Geometry)

This page is about Above in the context of Plane Geometry. For other uses, see Above.

Definition

Let $a$ and $b$ be points in the cartesian plane $\R^2$.

Then:

$a$ is above $b$

if and only if:

the $y$ coordinate of $a$ is greater than the $y$ coordinate of $b$.

Also see

• Definition:Below (Plane Geometry)