Mathematic Vocabulary

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Across
  1. 2. Equals nothing
  2. 4. Number Q is not equivalent to 0
  3. 5. Father of Geometry
  4. 6. Founder of the Pythagorean theorem
  5. 8. Used In Geometry
  6. 9. Amount Of
Down
  1. 1. Founder of Zero
  2. 3. Generally Accepted
  3. 7. Angled Triangle Equal to 180*
  4. 8. was First Used By The Babylonians and Egyptians