Across
- 4. noncollinear points that lie on the same plane
- 5. one endpoint, continues in one direction
- 7. form by the intersection of two rays
- 9. two lines on the same plane that intersect each other at a right angle
- 10. measurable part of a line, two endpoints and all the points between them
Down
- 1. points that lie on the same line
- 2. a flat surface made of infinite number of points, extends independently in all directions
- 3. two lines on the same plane, equidistant from each other and never intersect
- 6. continuous in both directions, made of infinite number of points
- 8. a location in space, it has no thickness or width
