Across
- 5. an instrument for measuring angles
- 10. a tool used to measure the distance of a straight line
- 11. lines that intersect at a right angle
- 12. An infinitely thin and long collection of points that extends in both directions
- 13. a figure formed by two rays sharing an endpoint
- 14. An exact position on a plane
- 15. a measurement of a plane angle
- 16. a line segment is a part of a line that is bounded by two distinct end points
Down
- 1. an angle whose sides lie in opposite directions from the vertex in the same straight line
- 2. an infinite, flat, two dimensional surface
- 3. two lines in a plane that do not intersect at any point
- 4. a ninety degree angle
- 6. A line that extends infinitely in one direction
- 7. two or more lines crossing each other in a plane
- 8. each angular point of a figure
- 9. the middle point of a line segment
