Geometry Crossword

123456789101112131415161718192021
Across
  1. 5. a line that divides something into two equal parts
  2. 10. two rays with a common end point
  3. 11. points that lie on the same line
  4. 12. the distance around a two dimentional shape
  5. 13. a part of a line bounded by two points
  6. 14. the amount of space inside the boundary of a two dimentional object
  7. 15. where the x-axis and y-axis meet on a coordinate plane
  8. 18. an angle that measures more than 90 degrees but less than 180
  9. 19. coplaner lines that do not intersect; two lines that are the same distance apart and never touch
  10. 21. points that lie on the same plane
Down
  1. 1. the sum of two angles is 90 degrees
  2. 2. an angle that measures less than 90 degrees
  3. 3. lines that meet to form 90 degree angles
  4. 4. the middle point of a line segment
  5. 6. a line with a single endpoint that extends indefinitely in one direction
  6. 7. geometric elements of equal measure
  7. 8. the distance around a circle; a circle's perimeter
  8. 9. two angles with a common side but no common interior points
  9. 16. a precise location on a plane
  10. 17. the sum of two angles is 180 degrees
  11. 20. four parts of a coordinate plane