1. Points, Lines, and Planes
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To ensure that HJ is contained within the planes you choose, use H and J as two of the three points that define the planes.
Example Solution: Planes GHJ and HJL
To ensure that the ray HJ is contained within the planes we choose, we will use H and J as two of the three points that define the planes.
For our second plane, we will choose L as our third point, giving us the plane HJL. This plane contains the point K as well.