Math Crossword Puzzle

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Across
  1. 2. the study of shapes
  2. 4. experimental and theoretical are two different _______.
  3. 6. an unkown number that is replaced by a letter
  4. 8. pi x radius
  5. 9. acute, obtues, and right are all types of ____.
Down
  1. 1. a fraction or decimal can also be turned into a _______.
  2. 3. cubes,spheres,cones,and cylinders are all______figures.
  3. 5. l x w or pi x radius squared
  4. 7. l x w x h
  5. 8. the number that is followed by a variable.