Math .A Tube.com
Geometry
Ray
Ray: A straight" line that begins at a certain point and
extends forever in one direction. The point where the ray
begins is known as its endpoint.
Ray
The arrow tells you which direction the
ray is going.
Naming Rays?
A ray is name starting from the end point. In the example
shown below, P is the endpoint and Q is the point towards
which the ray extends. So, the ray PQ is represented as:
QP with the arrow on top.
>Ray< you are here
Example:
A ray only goes in one direction starting
from it's end point.
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