Across
- 4. A quadrilateral with all equal sides
- 6. A closed 2-D shape, having 4 sides, 4 corners, and 4 right angles (90°)
- 8. A line segment through a vertex and perpendicular to a line containing the side opposite the vertex.
- 12. The center of mass of a geometric object of uniform density.
- 14. The point where the perpendicular bisectors of the sides of that particular triangle intersect.
- 15. The intersection point of three altitudes drawn from the vertices of a triangle to the opposite sides
- 17. A line that splits an angle into two equal angles.
- 18. A quadrilateral having two parallel sides and two non-parallel sides.
Down
- 1. A line segment which bisects another line segment at 90 degrees
- 2. Something having all its sides of the same length.
- 3. A special type of quadrilateral that has both pairs of opposite sides parallel and equal.
- 5. A two-dimensional closed shape with 4 equal sides and 4 vertices.
- 7. A flat shape with 4 straight sides that: • has two pairs of sides. • each pair is made of two adjacent sides (they meet) that are equal in length.
- 9. At equal distances.
- 10. The median value of a range of values.
- 11. The center of the incircle of a triangle or other figure.
- 13. A straight line joining two opposite corners of a square, rectangle, or other straight-sided shape.
- 16. Having equal angles.