Mathetics

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Across
  1. 3. shapes with 4 sides
  2. 5. a term used for the exterior of a shape
  3. 7. a lesson contains SIN,COS,TAN,etc.
  4. 9. a tool used to draw circles in many sizes
  5. 12. a lesson full of variables and expressions
Down
  1. 1. the amount of space that something contains
  2. 2. a shape with 3 sides
  3. 4. a line intersecting a object which looks
  4. 6. a short term for addition
  5. 7. a formulae used on a particular math problem
  6. 8. fills
  7. 10. a 3D figure that was constructed at Egypt
  8. 11. on both sides
  9. 12. the space between two lines or surfaces that