youtube.com › watchGeometry 1.1, Understanding points, lines, and planes
An explanation of points, lines, planes, undefined terms, collinear, noncollinear, coplanar, coplanar points, segments, endpoints, ray, opposite rays, postulates, and intersections. Several postulates are included. Textbook you can use, Holt McDougal Geometry, copyright 2012, Houghton Mifflin Harcourt publisher. JoAnn's School High School ...