# Keyword Analysis & Research: opposite rays

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What does opposite rays mean In geometry?

In geometry rays refers to half of the line. A ray have a fixed end point which extends infinitely in an other direction. Opposite rays are the rays which holds the common end point, but moves in the opposite direction. So a pair of opposite rays with the common end point always moves in the straight line.

Do opposite rays have all points in common?

Opposite rays are two rays that both start from a common point and go off in exactly opposite directions. Because of this the two rays (QA and QB in the figure above) form a single straight line through the common endpoint Q. When the two rays are opposite, the points A,Q and B are collinear.

Do two opposite rays always form a line?

Two rays are opposite rays in geometry if they have a common initial point and form a straight line. Essentially, these rays point in opposite directions.