Aliesha's Crossword puzzle

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Across
  1. 4. a slanted incline in an upward or down wared way
  2. 5. a branch of mathematics than deals with letters or symbols to repersant numbers
  3. 7. the space between two intersecting lines or surfaces
  4. 9. a number attached to a variable
  5. 10. the space inside an enclosed two dementional figuer
Down
  1. 1. the measure of the amount of space inside a solid figure
  2. 2. a slanted incline in an upwared or down ward
  3. 3. an act of adding subtracting,multiplying,or dividing with out an anwser
  4. 6. an angler projection/a corner
  5. 8. study of this branch in mathematics