vocab

2. a four-sided figure.
5. a proportion between two sets of dimensions
6. the action or state of enlarging or being enlarged.
8. the ratio between the scale of a given original object and a new object
10. a flat closed shape having 4 straight sides, with one pair of parallel sides
11. a transformation of a shape in a plane
13. a parallelogram with opposite equal acute angles, opposite equal obtuse angles, and four equal sides.
14. of dilation a reference point used to appropriately scale the dilation of a figure.
16. a two-dimension surface formed by two number lines
18. the action or condition of becoming or being made wider, larger, or more open.
19. the point or place where something begins, arises, or is derived.
21. a point about which a plane figure rotates
22. a four-sided plane rectilinear figure with opposite sides parallel.

1. the secondary or vertical axis of a system of coordinates, points along which have a value of zero for all other coordinates.
3. the optical counterpart of an object produced by an optical device (as a lens or mirror) or an electronic device
4. the mirror image of a figure over a line (drawn or imaginary)
7. each of four quarters of a circle.
9. the principal or horizontal axis of a system of coordinates, points along which have a value of zero for all other coordinates.
10. a thorough or dramatic change in form or appearance.
12. the action of rotating around an axis or center.
15. the original, unaltered shapes
17. the quantitative relation between two amounts showing the number of times one value contains or is contained within the other.
20. the action or fact of making a specified thing smaller or less in amount, degree, or size.the ratio between the scale of a given original object and a new objects