Across
- 6. The center point of an object
- 7. A line that splits an angle into two equal angles
- 8. A line that passes through the vertex of a triangle and the opposite side at a right angle
- 9. The point of intersection between the three perpendicular bisectors of a triangle
- 12. A quadrilateral with two pairs of parallel sides
- 13. The value that separates the higher and lower half of a data sample
- 14. A line that connects two points of a polygon that are on different edges
- 15. A polygon with all equal sides
- 18. The center of a triangle, independent from placement and scale
Down
- 1. The same distance from two or more points
- 2. The point where all three altitudes of a triangle intersect
- 3. A line that bisects another line at a right angle
- 4. A quadrilateral with one pair of parallel sides
- 5. A quadrilateral with four right angles and four equal sides
- 10. When all angles of a polygon are equal
- 11. A quadrilateral with four right angles
- 16. A parallelogram with opposite equal acute angles, opposite equal obtuse angles, and four equal sides
- 17. A quadrilateral with reflection symmetry across a diagonal
