Geometry Crossword

3. A segment whose endpoints lie on a circle
9. An angle with measure between 90 and 180
12. A quadrilateral with four right angles
13. A quadrilateral with both pairs of opposite sides parallel
14. Two angles whose sides form two pairs of opposite rays
15. Lines that are not coplanar
16. The figure formed by three segments joining three noncollinear points
19. The perpendicular segment from a vertex to the line containing the opposite side

1. Two lines intersect to form right angles
2. A quadrilateral with four congruent sides
4. An angle with measure between 0 and 90
5. A segment joining two non-consecutive vertices of a polygon
6. A 5-sided polygon
7. A quadrilateral with four right angles and four congruent sides
8. The set of points in a plane that are a given distance from a given point in the plane. The given point is the center, and the given distance is the radius
10. A figure formed by two rays that have the same endpoint
11. An 8-sided polygon
16. A statement that can be proved
17. A segment joining two non-consecutive vertices of a polygon
18. A line that intersects two or more coplanar lines in different points