Geometric terms

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Across
  1. 5. Distance around a shape
  2. 7. Four equal sides with right angles
  3. 8. line segment that connects two points on a circle's circumference
  4. 9. Four-sided figure with opposite sides parallel and equal in length
  5. 10. a point where two or more sides or lines meet or intersect
  6. 11. triangle has two equal sides
  7. 13. Shape with no angles
  8. 15. angle that is 90 degrees
  9. 16. divides a figure into two equal parts
  10. 19. Three-dimensional shape with triangular faces and a point at the top
  11. 20. Three-dimensional shape with six square faces
  12. 23. Eight-sided figure
  13. 24. Three-sided figure
  14. 25. Four sides with opposite sides parallel and equal
  15. 27. Angle greater than 90 degrees
  16. 28. Shape with multiple straight sides
Down
  1. 1. Line through the center of a circle
  2. 2. Three-dimensional shape with circular ends
  3. 3. triangle has all different lengths
  4. 4. Four-sided figure with one pair of parallel sides
  5. 6. Angle less than 90 degrees
  6. 12. Three-dimensional shape with all points equidistant from the center
  7. 14. All sides equal in length
  8. 17. same shape but different size
  9. 18. Six-sided figure
  10. 21. a flat surface on a solid
  11. 22. two-dimensional flat surface
  12. 25. angle greater than 180 degrees but less than 360
  13. 26. Same size and shape