Across
- 3. a line that divides a line or angle into two parts
- 5. part of a line
- 7. point where two lines meet
- 9. a line with one end point but will go in one direction infinitely
- 10. angles add to 90°
- 12. one pair of parallel sides
- 13. lengths and angles that are equal in size are called?
- 15. all about shapes and their properties
- 17. angle sum = 360°
- 20. a long narrow mark or band
- 21. all diagonals bisect each other
- 23. one axis of symmetry with 2 adjacent sides equal
- 24. angle sum = 180°
Down
- 1. all four sides equal
- 2. four axes of symmetry
- 4. angles add to 180°
- 6. at an angle of 90° to a line, plane or surface
- 8. the exterior sum of any _________ is 360°
- 11. opposite sides are parallel
- 14. intersecting a system of lines
- 16. the ____________ of angle of a triangle is equal to the sum of two interior opposite angles
- 18. triangle with two sides and angles equal
- 19. triangle with all sides and angles equal
- 22. having an outline or surface curved like the exterior of a circle or sphere
- 25. next to
