Across
- 1. a line that has an end point and extends forever in one direction only
- 3. a shape with eight sides
- 4. a shape with nine sides
- 6. and angle that measures exactly 180 degrees
- 8. a shape with six sides
- 9. twelve
Down
- 1. an angle that measure exactly 90 degrees
- 2. a shape with twelve sides
- 5. lines that never intersect
- 7. an angle that measures exactly 360 degrees