Across
- 3. a measurable part of a line that consists of two points, called endpoints and all of the points between them
- 4. the point halfway between the endpoints of a segment
- 5. an angle formed by one side of a triangle and the extension of another side
- 6. co-planar lines that do not intersect
Down
- 1. two angles with measures that have a sum of 180
- 2. the intersection of two non-co-linear rays at a common end point
