Geometry Terms

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Across
  1. 5. two angles whose sum is 180 degrees
  2. 9. A two-dimensional, closed, four-sided figure with four right angles
  3. 12. segment whose endpoints are the center of the circle and a point on the circle
  4. 13. Two lines in a two-dimensional space that do not meet
  5. 14. Surface planes of three-dimensional shapes
  6. 16. angle whose measure is between 0 degrees and 90 degrees
  7. 17. Without a curve
  8. 18. angle whose measure is 90 degrees
  9. 19. A round body whose surface is at all points equidistant from the center
Down
  1. 1. ray that divides an angle into two congruent adjacent angles
  2. 2. Identical in size and shape
  3. 3. angle whose measure is greater than 90 degrees but less than 180 degrees
  4. 4. two lines that intersect to form right angles
  5. 6. Sides that are the same length
  6. 7. A three-dimensional figure with identical equilateral squares as faces
  7. 8. Two lines that meet to make a corner
  8. 10. two angles whose sum is 90 degrees
  9. 11. segment that connects two points on the circle
  10. 13. A specific position on a line, plane, or in space
  11. 15. two coplanar angles with a common vertex and a common side between them