Across
- 3. an angle that is exactly 90 degrees.
- 5. an angle that is exactly 180 degrees.
- 6. is the intersection of two straight lines at a point called the vertex.
- 7. an angle that is greater than 180 degrees.
- 9. an angle that is more than 90 degrees but less than 180 degrees.
- 10. a flat surface containing infinite points.
- 11. a straight path that extends in both directions indefinitely.
- 12. the point at which two lines meet.
Down
- 1. a figure that has the same shape and size as a another.
- 2. a figure that has the same shape but not the same size.
- 4. is part of a straight line bounded by two end points.
- 6. an angle that is less than 90 degrees
- 8. Rotation exactly an angle that is exactly 360 degrees.
- 10. a location in space or on a surface.
- 13. is a straight line extending from a point called an origin.