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