Geometry Crossword

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Across
  1. 3. A shape w/ 3 sides
  2. 4. A segment from the center of a circle to any point on the circle
  3. 5. A straight path w/ no endpoints that goes on forever in both directions
  4. 8. Lines that never meet & are always the same distance apart
  5. 11. A line that divides a figure into 2 mirror-image halves
  6. 13. Lines that form right angles when they intersect
  7. 14. A figure made of 3 or more straight sides
  8. 15. A figure with no beginning or end, all points the same distance from the center
  9. 16. A figure formed by two rays w/ a common endpoint
Down
  1. 1. A closed shaped w/ 4 sides
  2. 2. An exact location in space
  3. 6. The amount of space inside a 3D object
  4. 7. A part of a line that has 1 endpoint & extends forever in 1 direction
  5. 9. The amount of space inside a flat shape
  6. 10. The distance around a circle
  7. 12. A distance across a circle through the center