Ch. 5 Preview Crossword

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Across
  1. 4. a triangle with two congruent sides
  2. 6. a triangle with all sides congruent
  3. 8. the point of concurrency of the perpendicular bisectors of a triangle
  4. 13. a ray that divides an angle into two congruent angles
Down
  1. 1. line, point or plan that intersect a segment at it's midpoint
  2. 2. three or more lines intersecting at the same point
  3. 3. two lines intersecting at a 90 degree angle
  4. 5. a triangle with no congruent sides
  5. 7. a triangle with no angles greater than or equal to 90 degrees
  6. 9. a triangle with three congruent angles
  7. 10. an isosceles triangle has this many congruent angles
  8. 11. the point of concurrency of the angle bisectors of a triangle
  9. 12. a triangle with a single angle greater than 90 degrees