Across
- 1. the part of math that uses letters to represent numbers
- 5. A triangle with 1 obtuse angle
- 10. Lines that cross and form a cross
- 13. a triangle center
- 15. angle An angle that has only 90 degrees
- 17. The shape and relative arrangements of something
- 18. When angles touch and are the same in degrees they are
- 19. The center of a circle inside a polygon
- 20. A figure with 3 straight lines and angles
Down
- 2. A triangle with 1 right angle
- 3. y2 - y1/x2 - x1
- 4. where a line crosses the y-axis
- 5. 2 sides of a triangle
- 6. y=mx+b
- 7. A triangle with all acute angles
- 8. angle An angle that has less than 90 degrees
- 9. segment that connects the midpoints
- 11. Lines and angles that are equivalent to each other
- 12. the interior bisector of an angle
- 14. angle An angle that is over 90 degrees
- 16. lines that never cross