GEOMETRY: Vocabulary

2. an ordered regular arrangement of numbers
5. rise over run, the slant of the line
8. when the endpoints of a segment or arc lie on the sides of an angle, that segment or arc _____ that angle.
9. a transformation that does not change the size or shape of a figure
10. a process that changes the size, shape, or position of a geometric figure
12. within the same plane
15. a dilation that produces an image larger than its pre-image
16. the original figure in a transformation
19. a transformation that shifts or slides every point of a figure or graph the same distance in the same direction
20. in a right triangle, the ratio of the length of the leg opposite the angle to the length of the leg adjacent to the angle
22. symbols used to label the image in a transformation
23. a ring-shaped object, structure, or region
24. in a right triangle, the ratio of the length of the leg opposite the angle to the length of the hypotenuse
25. a cylinder with bases that are not aligned directly above one another

1. 4-sided polygons
3. the perpendicular distance from the centre of a regular polygon to one of its sides
4. a point at an end of a segment or the starting point of a ray
6. a quantity that has both magnitude and direction
7. does not intersect
11. a quantity that is completely expressed by its magnitude and has no direction
13. a transformation that changes the size of a figure, but not its shape
14. a transformation across a line, called the line of reflection, such that the line is the perpendicular bisector of each segment joining each point and its image
17. a transformation about a point P, also known as the centre of rotation, such that each point and its image are the same distance from P
18. having the same size and shape
21. the multiplier used on each dimension of a figure to change it into a smaller figure