geometry

3. - a function f that maps a set X to itself
6. - moving in the direction of the hands on a clock
9. - The axes of a two-dimensional Cartesian system divide the plane into four infinite regions, each bounded by two half-axes
12. -are reflection, rotation and translation and combinations of them such as the glide, which is the combination of a translation and a reflection
13. - the geometric shape which appears after a transformation has been applied to the pre image

1. - the covering of a plane using one or more geometric shapes, called tiles, with no overlaps and no gaps
2. - the original appearance of a figure in a transformation operation
4. - a 'flip' of an object across a line
5. - a function from a metric space into itself that satisfies the identity for all points, where is the distance from to and is some positive real number
7. - Moving in the opposite direction to the hands on a clock
8. Factor - the ratio of the length of a side of one figure to the length of the corresponding side of the other figure
10. - moves every point of a figure or a space by the same distance in a given direction
11. - any rotation is a motion of a certain space that preserves at least one point