Geometry Vocabulary

3. A rule that is accepted without proof
5. A quadrilateral with exactly one pair of parallel sides
6. A rule that is accepted without proof
7. Consists of two endpoints and all the points between them
10. A set of points consisting of two different rays that have a completed endpoint
11. A transformation in which a figure is turned about a fixed point
12. The absolute value of the difference of two coordinates on a line
15. A function that moves moves or changes a figure in some way to produce a new figure
17. Points that represent the ends of a line segment or ray
20. A parallelogram with four right angles
21. When three points are collinear, one point is between the other two

1. A segment that joins two nonconsecutive vertices of a polygon
2. The set of points two or more geometric figures have in common
4. A quadrilateral with two pairs of consecutive congruent sides, but opposite sides are not congruent
8. A real number that corresponds to a point on a line
9. A dilation in which the scale factor is greater than 0 and less than 1
13. A parallelogram with four congruent sides are four right angles
14. A location in space that is represented by a dot and has no dimension
16. A parallelogram with four congruent sides
18. A transformation in which a figure is enlarged or reduced with respect to a fixed point
19. A figure that results from a transformation of a geometric figure