Pearson Geometry Common Core, 2011
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Pearson Geometry Common Core, 2011 View details
2. Points, Lines, and Planes
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Exercise 2 Page 16

Opposite rays are rays that share the same endpoint, but point in opposite directions.

RX and RY

Practice makes perfect
Opposite rays are rays that share the same endpoint, but point in opposite directions. To construct a pair of opposite rays, three collinear points are needed. In our case, we have one set of collinear points

X, R, and Y By letting R be the endpoint of the rays, we can find one set of opposite rays, RX and RY.