Geometry cross word puzzle

2. , preserves line lengths and angle measurements
4. Bisector , A line that intersects a given segment at right angles and divides it into two equal parts.
6. , A segment that connects two nonadjacent vertices of a polygon.
7. , Is any Polygon whos sides have all equal legths and whose angles all have equal measures.
11. angle, a angle that has a measurement less then 90 degrees
13. , a transformation representing a flip of a figure.
15. , A transformation that maps a figure onto itself.
16. Angle , An angle that measures 90º.
17. , the action of rotating around an axis or center.
18. , A series of connected line segments that starts and ends at the same place and does not intersect itself anywhere in between.
19. , A common endpoint of two sides of a polygon or an angle.
20. ,a three-sided figure that sides are all the same length.

1. , A set of points on a line consisting of two endpoints and all the points between them.
3. , A four-sided polygon.
5. , A figure formed by two line segments or rays with a common endpoint.
8. lines , straight lines that do not intersect at any point.
9. , Two geometric objects having the same measure.
10. , a line with a single endpoint (or point of origin) that extends infinitely in one direction.
12. , A polygon with three edges and three vertices.
14. , a geometric transformation that moves every point of a figure, shape or space by the same distance in a given direction.