crossword

1. Angle Angle measuring under 90 degrees
6. Polygon A polygon that is not convex.
10. Rays If point c lines on line ab between a and b then ray ca and cb are opposite rays.
11. Segments line segments that have the same length.
12. Part of a line that consist of a point called an endpoint and all points on the line that extend in one direction
15. Point that divides or bisects a segment into two congruent segments.
18. Triangle Triangle with three congruent sides.
21. Pair Two adjacent angles whos noncommon sides are opposite rays.

2. Polygon A polygon such that no line containing a side of the polygon contains a point in the interior of the polygon.
3. The to points on the end of a line segment
4. Closed plane figure that is formed with three or more line segments called sides and each side intersects exactly two sides one at each endpoint so that no two sides with a common endpoint a collinear
5. Angle Angle that measures 180 degrees.
7. Angle Angle measuring 90 degrees
8. bisector A point, ray, line segment, or plane that intersects a segment at its midpoint.
9. Polygon A polygon eith all of its interior angles congruent.
13. a rule that is accepted with out proof.
14. A rule that is accepted without proof.
16. Angle Angle measuring greater than 90 degrees but less than 180 degrees.
17. Polygon A polygon that has all sides and all angles congruent.
19. Bisector A ray that divides an angle into two angles that are congruent.
20. segments Part of a line that consist of two endpoints, and all points on that line are between those endpoints