MATH Acrostics

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Across
  1. 3. a statement, especially in mathematics, that can be proved to be true by reasoning
  2. 7. father of mathematics
  3. 8. the answer to a problem in mathematics
Down
  1. 1. someone who studies or teaches mathematics
  2. 2. a group of letters or numbers that represents a rule in science or mathematics
  3. 4. A polygon with 7 sides and 7 angles
  4. 5. father of geometry
  5. 6. a polygon with three edges and three vertices