maths keywords

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Across
  1. 3. what do we call a shape such as a rectangle, square etc?
  2. 7. most common number in a set
  3. 8. what do we use y and x for on a graph?
  4. 9. the length opposite the right angle is called...
Down
  1. 1. what formula is used for right angled triangles?
  2. 2. 3.14
  3. 4. angle between 0-90 degrees
  4. 5. what is sin, cos and tan used for?
  5. 6. a ten sided polygon