Lines, Planes, & Angles

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 1. A closed plane figure bounded by straight sides (7)
  2. 3. Any maneuver made as part of progress toward a goal (7)
  3. 4. The point of intersection of lines or the point opposite the base of a figure (6)
  4. 6. A three-sided polygon (8)
  5. 7. The space between two lines or planes that intersect (5)
  6. 8. Something that is oriented ___ (8)
  7. 10. Something that is oriented ___ (10)
  8. 13. A straight line at right angles to another line (13)
  9. 14. An ___ less than 90 degrees but more than 0 degrees (10)
  10. 15. The vast area beyond Earth's atmosphere (5)

Down

  1. 1. Something having the property of being analogous to something else (8)
  2. 2. The boundary line or the area immediately inside the boundary (9)
  3. 5. A four-sided polygon (13)
  4. 9. A formation of people or things one beside another (4)
  5. 11. A geometric element that has position but no extension (5)
  6. 12. An aircraft that has a fixed wing and is powered by propellers or jets (plural) (6)