Lines, Angles and the Circle: Ms. Murphy

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Across
  1. 2. A line with two endpoints
  2. 4. The angles of this shape add to 180 degrees
  3. 5. The radius is _____ the diameter of a circle
  4. 9. Triangle where all sides are a different length
  5. 11. The part of the circumference between two radii
  6. 12. The angles in this group of shapes add to 360 degrees
  7. 13. Triangle with two sides the same length and two equal angles
  8. 16. This is three times the diameter of a circle
  9. 17. An angle which is less than a full rotation yet greater than a straight line
  10. 18. The line of sunshine is an example of this type of line
  11. 19. The area enclosed between two radii
Down
  1. 1. An angle greater than a right angle but less than a straight line
  2. 3. All points on the circumference of a a circle are ___ from the center point
  3. 6. If I want to tile my floor which is circular in shape, I need to fins the ____
  4. 7. Train tracks are an example of these lines
  5. 8. Lines which cross over forming right angles
  6. 10. Stationary which people can construct circles with
  7. 14. Lines which cross over and do not form right angles
  8. 15. An angle which is less than a right angle