mathematic terms

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Across
  1. 4. - these numbers can be expressed in the form of p/q where p and q are integers and q is not equal to 0
  2. 7. - this is the measure of the region enclosed by the boundary of closed figure.
  3. 8. - this is a polynomial of degree two
  4. 9. - these angles have the same measure
  5. 10. - at this point the bisectors of interior angles of a triangle meet
Down
  1. 1. - this is another name for 10 metres
  2. 2. - these lines are in the same plane and they do not have a point of intersection
  3. 3. - these are self evident truths
  4. 5. - these angles have measures less than ninety degrees
  5. 6. - this formula uses all sides of triangle to calculate the area of triangle