geometry

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Across
  1. 2. two lines that make a right angle
  2. 9. two lines that travel in the same direction and never meet
  3. 10. full width of a circle
  4. 11. triangle with no equal sides
  5. 13. The inside of a 3D shape
  6. 14. a 4 sided shape with 4 equal sides
  7. 15. a 4 sided shape with 2 sets of equal sides
  8. 16. two angles that make 180 degrees
  9. 20. triangle with all equal sides
Down
  1. 1. a circular shape with no base
  2. 3. triangle with 2 equal sides
  3. 4. a curved rectangle connected by 2 circles
  4. 5. The inside of a 2D shape
  5. 6. middle of a line
  6. 7. a set of multiple triangles connected by a base
  7. 8. where a point is located on a coordinate plane
  8. 12. outside of a circle
  9. 17. half the width of a circle
  10. 18. How tall something is
  11. 19. The bottom of a Prism