Across
- 4. The top point of a triangle
- 5. A type of shape that is closed, has no overlapping lines, and no curved lines
- 6. An angle larger than 90 degrees
- 8. A tool used to draw close to perfect or even perfect circles
- 10. A 3 sided polygon with exactly 3 vertices
- 14. A type of triangle which has no equal sides
- 15. A shape with 10 sides
- 16. A type of shape where the sides have uneven lengths
- 17. The outside of a shape
- 19. An angle that is exactly 90 degrees
Down
- 1. An angle smaller that 90 degrees
- 2. The inside of a shape
- 3. A shape where the opposite sides are parallel and equal in lenght
- 5. A tool used to measure angles
- 7. A shape with 9 sides
- 9. The space between 2 intersecting lines
- 11. A shape with 4 sides
- 12. A type of triangle with 2 equal sides
- 13. A straight line from the center to the circufrence of a circle
- 18. a type of shape where all sides are equal