Across
- 3. The side that is the longest in a right angled triangle
- 5. The line that cuts through the middle of the circle
- 6. A three sided shape with all angles of 60 degrees
- 7. An angle that is measured clockwise from north and used for navigation.
- 8. A name for angles that add up to 180 degrees
- 10. Cutting in half
- 11. The line that is always perpendicular to the radius of a circle
- 13. The same, equal
- 15. The perimeter equivalent of a circle
- 19. A type of symmetry showing it can or cannot be fitted on top of itself when turning about a point
Down
- 1. The theorem that gives the relationship between the lengths of a right angled triangle
- 2. A shape with four sides
- 4. Imaginary mirror lines of a shape
- 8. A way to write very big or small numbers
- 9. When a number is multiplied by itself
- 12. Opposite divided by hypotenuse
- 14. When a number is only able to be divided by itself and 1
- 16. The angle between your line of sight when looking up and the horizontal
- 17. All vertices of the quadrilateral lie on the circumference of the circle
- 18. A trangle with sides of three different lengths