Year 10 Crossword

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Across
  1. 4. These angles add up to 180 degrees
  2. 6. Used to draw or measure angles
  3. 8. ms^-1 can also be written as ____________
  4. 9. A 7 sided polygon
  5. 10. ___________Always use 3 digits
  6. 11. Inserting brackets from an expression
  7. 12. Every ___________of a polygon = 360 degrees
  8. 14. number A number that can only be divided by one and itself
  9. 15. The process of replacing letters in a formula
  10. 17. In 2^7 what is seven called
  11. 18. A line that just touches the circumference of the circle
Down
  1. 1. Bearings are always measured __________ from the north
  2. 2. These angles add up to 90 degrees
  3. 3. A line joining any two points on the circle
  4. 5. Used to calculate the unknown side of a right angled triangle
  5. 6. Angles at a ________ = 360 degrees
  6. 7. When you look down at something, the angle between your line of sight and the horizontal
  7. 12. Removing brackets from an expression
  8. 13. When you look up at something, the angle between your line of sight and the horizontal
  9. 16. Angles on a __________ line = 180 degrees