Year 10 Crossword

4. A line that just touches the circumference of the circle
5. The process of replacing letters in a formula
7. Used to draw or measure angles
9. Used to calculate the unknown side of a right angled triangle
11. Angles on a __________ line = 180 degrees
13. These angles add up to 90 degrees
18. When you look down at something, the angle between your line of sight and the horizontal
19. Removing brackets from an expression

1. Angles at a ________ = 360 degrees
2. When you look up at something, the angle between your line of sight and the horizontal
3. Inserting brackets from an expression
5. These angles add up to 180 degrees
6. In 2^7 what is seven called
8. ms^-1 can also be written as ____________
10. Bearings are always measured __________ from the north
12. ___________Always use 3 digits
14. number A number that can only be divided by one and itself
15. Every ___________of a polygon = 360 degrees
16. A 7 sided polygon
17. A line joining any two points on the circle