DO THE MATH

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Across
  1. 4. a polygon with 5 sides
  2. 8. a mushy fruit that monkeys like
  3. 9. another name for a 90 degree angle
  4. 10. the space within a shape
  5. 12. a closed, plane shape made of straight lines
  6. 15. the place where two lines of an angle meet
  7. 17. to flip over a fraction
  8. 19. a triangle with 2 angles with the same measure
  9. 20. numbers that you multiply
  10. 21. a line that is stopped at one end by an end point
Down
  1. 1. a large African animal that likes peanuts
  2. 2. the distance around a circle
  3. 3. part of a line
  4. 5. a math problem with an =
  5. 6. a math word meaning "the same"
  6. 7. lines that will never intersect
  7. 11. the distance around a polygon
  8. 13. an angle that measures more than 90 degrees
  9. 14. the top number of a fraction
  10. 16. a number that can only be divided by 1 and itself
  11. 18. a line that is half of a diameter