Unit 1: Understand Rigid Transformations and Their Properties

Question 1

a fixed point around which a figure is rotated

Answer 1

center of rotation

Question 2

angles in the same relative position in figures

Answer 2

corresponding angles

Question 3

sides in the same relative position in figures

Answer 3

corresponding sides

Question 4

a figure that results from a transformation or sequence of transformations

Answer 4

image

Question 5

a line across which a figure is reflected

Answer 5

line of reflection

Question 6

a transformation that flips a figure across a line to form a mirror image

Answer 6

reflection

Question 7

a transformation in which the size and shape of the figure does not change

Answer 7

rigid transformation

Question 8

a transformation that turns a figure through a given angle and in a given direction around a fixed point

Answer 8

rotation

Question 9

a change in location, orientation, or size of a figure

Answer 9

transformation

Question 10

a transformation that moves each point of a figure the same distance and in the same direction

Answer 10

translation

Question 11

in the direction of hands on a clock or toward the right on a circle

Answer 11

clockwise

Question 12

In the opposite direction of hands on a clock or toward the left on a circle

Answer 12

counterclockwise