Across
- 5. is any polygon that is not concave
- 6. any polygon that is not regular
- 8. a closed three-dimensional figure
- 10. the set of all points in a plane that are equidistant from a given point in the plane
- 13. a polygon with exactly four sides
- 16. the side of the triangle that is opposite to the right angle
- 17. a triangle with all three angles less than 90
- 19. a segment that passes through the center and has its endpoints on the circle
- 20. a segment connecting two consecutive midpoints of a triangle
Down
- 1. is the point where the three angle bisectors meet
- 2. a polygon with collapsed sides or dents
- 3. a quadrilateral that has two pairs of opposite sides that are parallel
- 4. specifies only location; it has no length, width, or depth
- 7. two given points
- 9. is the point where the three perpendicular bisectors meet
- 11. an angle with its vertex at the center of a circle
- 12. a polygon by which a solid object is bound
- 14. a triangle with two equal sides
- 15. an intersection of a graph with one of the axes
- 18. a line segment where two faces intersect