Chapters 6-7 Crossword Puzzles

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Across
  1. 2. A quadrilateral with all equal sides that are diagonal.
  2. 4. A type of quadrilateral whose opposite sides are equal and parallel.
  3. 6. A triangle that has all its sides equal in length.
  4. 10. A quadilateral whose four sides can be grouped into two pairs of equal-length sides that are adjacent to each other.
  5. 11. When all the sides of a triangle are congruent.
  6. 12. A line segment through a vertex and perpendicular to a line containing the side opposite the vertex.
  7. 13. the center point of the object
  8. 15. A plane figure with four equal sides and four 90* angles.
  9. 17. The point where all three altitudes of the triangle intersect.
  10. 18. The center of the incircle of a triangle or other figure
Down
  1. 1. A line segment whihc bisects another line segment at 90 degrees.
  2. 3. A line segment that joins any segment of a triangle and the midpoint of its opposite side.
  3. 5. An equal distance
  4. 7. A line that splits an angle into 2 equal angles.
  5. 8. A 2D geometrical shape whose sides are parallel to each other.
  6. 9. The point at which the perpendicular bisectors of that triangle intersect
  7. 14. A line that connects two vertices of a polygon or a solid whose vertices are not on the same edge.
  8. 16. A flat closed shape with 4 straight sides and one pair of parallel sides.