Geometry puzzle #3

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Across
  1. 1. the bottom of a triangle/square
  2. 7. the fraction is reduced as much as possible is called??
  3. 9. formula to find the midpoint(s)
  4. 10. the side of a right triangle opposite the right angle
  5. 14. alternate sides of the transversal on the inside
  6. 18. a figure is made from two or more geometric figures
  7. 20. the altitude of the lateral faces
  8. 22. used to find the distance between two points in a plane
  9. 23. an expression in which radical signs appear
  10. 24. measurement from one point to another
Down
  1. 2. root the square of a number
  2. 3. a line intersecting two or more lines
  3. 4. a angle with its vertex at the center of a circle
  4. 5. a perpendicular from the center of a regular polygon to one of its sides
  5. 6. another name for wideness
  6. 8. alternate sides on the same side of the transversal
  7. 11. solid body having a triangular base
  8. 12. the perpendicular distance from one of the vertices to the opposite side (height)
  9. 13. sides of a object
  10. 14. alternate sides of the transversal on the outside
  11. 15. the quantity under a radical sign
  12. 16. sign the symbol indicating a square root
  13. 17. distance upward; how tall something is
  14. 19. a solid figure having many faces
  15. 21. the amount of space inside of a object