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