math crossword

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Across
  1. 3. Who invented pythagorean theorem
  2. 6. what are corresponding angles?
  3. 7. answer to subtraction problem
  4. 9. 6895/7
  5. 10. 572x7
  6. 11. answer to addition problem
Down
  1. 1. a^2+b^2=c^2
  2. 2. If two angles of one triangle are respectively equal to two angles of another triangle, then the two triangles are similar.
  3. 4. opposite over adjacent
  4. 5. adjacent over hypotenuse
  5. 8. equal triangles