math terms

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Across
  1. 3. angles A pair of opposite angles that is formed by intersecting lines.
  2. 6. A constant that multiplies a variable
  3. 8. number A number that can be expressed as the ratio of two integers.
  4. 9. The set of numbers containing zero,the natural numbers, and all the negatives of the natural numbers.
  5. 10. number A number whose only factors are itself and 1
Down
  1. 1. The side opposite the right angle in a right triangle.
  2. 2. The ratio of the circumference of a circle to its diameter
  3. 4. For an experiment, the total number of successful events divided by the total number of possible events.
  4. 5. notation A method for writing extremely large or small numbers compactly in which the number is shown as the product of two factors.
  5. 7. A three-sided polygon