Across
- 5. 3 or more parts that are use
- 8. L//M
- 10. multiplied the coordinates by a number
- 11. add values to x or y
- 13. intersects parallel lines to form several angles
- 14. 90 degrees
- 15. (x,y),(-x,-y)
Down
- 1. a + b =90 degrees
- 2. negate x or y
- 3. 49+x=180
- 4. to cut in half
- 6. shape with all sides and angles equal
- 7. exactly i the middle of a line segment
- 9. the center of a circle
- 12. angles that are opposite to each other