chapter 6-7 crossword puzzle

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Across
  1. 3. A segment that connects the midpoints of two sides of a triangle
  2. 9. The perpendicular segment from a vertex of a triangle to the opposite side or to the line that contains the opposite side
  3. 10. bisector a straight line drawn from the vertex of a triangle to its opposite side in such a way, that it divides the angle into two equal or congruent angles
  4. 11. A segment that joins two nonconsecutive vertices of a polygon
  5. 12. The point of concurrency of the angle bisectors of a triangle
  6. 13. A style of proof in which you temporarily assume that the desired conclusion is false, then reason logically to a contradiction
  7. 15. A parallelogram with four congruent sides
  8. 16. A point is equidistant from two figures when it is the same distance from each figure
  9. 17. A trapezoid with congruent legs
  10. 18. The segment that connects the midpoints of the legs of a trapezoid
Down
  1. 1. A parallelogram with four congruent sides and four right angles
  2. 2. a line that bisects a line segment in two equal parts and makes an angle of 90 degrees at the point of intersection.
  3. 4. A parallelogram with four right angles
  4. 5. he nonparallel sides of a trapezoid
  5. 6. A quadrilateral with exactly one pair of parallel sides
  6. 7. Three or more lines, rays, or segments that intersect in the same point
  7. 8. he point of concurrency of the three medians of a triangle
  8. 14. A polygon in which all angles are congruent