Chapter 6 - 7 Crossword Puzzle

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Across
  1. 2. : the one and only point in a triangle that is passed through by each of the three lines that divide in half one of its three angles
  2. 8. : having all sides equal
  3. 11. : at equal distances.
  4. 13. : a line that connects two vertices of a polygon or a solid, whose vertices are not on the same edge
  5. 14. : the middle number in a sorted list of numbers
  6. 15. : 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
  7. 17. : a quadrilateral with reflection symmetry across a diagonal
  8. 18. : a type of quadrilateral
Down
  1. 1. : having equal angles.
  2. 3. : a line that bisects another line segment at a right angle, through the intersection point
  3. 4. : a two-dimensional geometrical shape whose sides are parallel to each other
  4. 5. : the point where all three altitudes of the triangle intersect
  5. 6. : the center of mass of a geometric object of uniform density.
  6. 7. : the line's direction as a vector
  7. 9. : a type of quadrilateral, whose opposite sides are equal and parallel
  8. 10. : the point where the triangle's three perpendicular bisectors intersect
  9. 12. : a four-sided shape which has one pair of sides as parallel
  10. 16. : a regular quadrilateral, which has all the four sides of equal length and all four angles are also equal