Math crossword

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Across
  1. 2. The perimeter of a circle
  2. 3. An exact location in space
  3. 4. A comparison of two numbers or measures using division
  4. 5. Algebra Uses variable to express general rules about numbers,numbers relationships,and operations
  5. 7. A triangle that has one 90 degree angle
  6. 10. An angle with a measure greater than 90 degree and less than 180 degree
Down
  1. 1. Any fraction whose numerator and denominator are whole numbers
  2. 6. A number written using base ten
  3. 8. Two rays that share an endpoint
  4. 9. The number of times something occurs in an interval or set of data