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