Geometry Crossword

123456789101112131415161718
Across
  1. 4. Area, the total area of all the outer surfaces of a 3D object
  2. 7. a set of points all the same distance from a center point
  3. 8. a polygon with 4 sides
  4. 9. a segment across a circle through the center; twice the radius
  5. 10. Lines that intersect to form right angles
  6. 13. Lines that never intersect and stay the same distance apart
  7. 15. a closed figure made of straight line segments
  8. 16. the point where two lines or rays meet
  9. 18. when a shape can be divided into matching halves
Down
  1. 1. the total distance around a figure
  2. 2. the distance around a circle
  3. 3. a straight path that goes on forever In both directions
  4. 5. a polygon with three sides
  5. 6. a segment from the center of a circle to its edge
  6. 10. an exact location with no size
  7. 11. two rays that meet at a common end point
  8. 12. Segment part of a line with two end points
  9. 14. the amount of space inside a shape
  10. 16. the amount of space inside a 3D object
  11. 17. part of a line with one endpoint that goes on forever In one direction