Chapter 6-7 Crossword Puzzle

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Across
  1. 2. a line that passes through two very specific points on a triangle: a vertex, or corner of a triangle, and its opposite side at a right, or 90-degree, angle.
  2. 4. a closed 2-D shape, having 4 sides, 4 corners, and 4 right angles (90°
  3. 7. the point where the triangle's three perpendicular bisectors intersect.
  4. 9. a line that bisects another line segment at a right angle, through the intersection point.
  5. 13. special type of quadrilateral that has both pairs of opposite sides parallel and equal.
  6. 16. a line segment joining a vertex of the triangle to the midpoint of the opposite side
  7. 18. a point which is at the same or equal distance from two given points.
Down
  1. 1. having all or corresponding angles equal.
  2. 3. a four-sided regular polygon which is also known as a quadrilateral with four equal sides.
  3. 5. The point where the three medians of a triangle intersect
  4. 6. the point where all three altitudes of the triangle intersect.
  5. 8. a quadrilateral with reflection symmetry across a diagonal
  6. 10. having all its sides of the same length.
  7. 11. a line that goes in a sloping direction.
  8. 12. a flat closed shape having 4 straight sides, with one pair of parallel sides.
  9. 14. a quadrilateral with four equal sides. Its opposite sides are parallel, and opposite angles are equal.
  10. 15. a line that splits an angle into two equal angles
  11. 17. the point where three bisectors of the interior angles of a triangle intersect and it is the center of the inscribed circle.