6-7 crossword

1. The point where the perpendicular bisectors of a triangle meet; it is equidistant from all three vertices.
3. Bisector: A ray or segment that divides an angle into two equal angles.
4. Bisector: A line that cuts a segment in half at a right angle.
6. A quadrilateral with two pairs of adjacent sides equal in length.
11. A perpendicular segment from a vertex to the opposite side (or its extension).
14. A parallelogram with four right angles.
15. A shape in which all angles are equal in measure.
16. A quadrilateral with both pairs of opposite sides parallel.
18. A quadrilateral with four equal sides and four right angles.

2. The point where all the medians of a triangle meet; it is the triangle’s balance point.
5. Being the same distance from two or more points or objects.
7. A segment from a vertex of a triangle to the midpoint of the opposite side.
8. A shape (usually a triangle) with all sides equal in length.
9. The point where all the altitudes of a triangle intersect.
10. A quadrilateral with exactly one pair of parallel sides.
12. A line segment connecting two non-adjacent vertices of a polygon.
13. The point where the angle bisectors of a triangle meet; it is equidistant from all sides of the triangle.
17. A parallelogram with all sides equal in length.