Circle Geometry

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Across
  1. 3. A quadrilateral with four equal sides and all angles are 90 degrees.
  2. 4. A quadrilateral with four equal sides.
  3. 5. The name given to the set of points, all of which are the same fixed distance (called the radius)from a fixed point (called the centre).
  4. 7. The name given to the line segment that passes through the center of the circle.
  5. 13. This type of triangle has all three side lengths measuring the same length (two words).
  6. 17. An angle whose measure is 180 degrees.
  7. 18. The figure formed by two rays meeting at the same endpoint.
  8. 19. A(n) __?__ angle has a measure greater than 0 degrees but less than 90 degrees.
  9. 20. These lines intersect at 90 degree angles.
  10. 22. An angle whose measure is greater than 90 degrees but less than 180 degrees.
Down
  1. 1. This triangle has at least two sides of equal length (two words).
  2. 2. A line segment that has one endpoint and extends indefinitely in the other direction
  3. 6. This is the name given to any angle whose measure is exactly 90 degrees.
  4. 8. The __?__ of a segment is the point that divides the segment into two segments of the same length.
  5. 9. A triangle containing a 90 degree angle (two words).
  6. 10. A quadrilateral whose opposite sides are equal and whose angles all measure 90 degress.
  7. 11. The name given to a triangle with no sides equal.
  8. 12. This is the name given to the common endpoint of two line segments that meet.
  9. 14. A four sided closed figure.
  10. 15. The ray that divides an angle into two smaller equal angles (two words).
  11. 16. These types of lines do not intersect.
  12. 21. The name given to a line segment connecting two vertices that are not next to each other in a closed figure such as a square.