Unit 8 Vocabulary

when two figures are the same size and same shape

• similar

• congruence

• dilation

• image

a transformation that enlarges or reduces a figure

• translation

• reflection

• rotation

• dilation

a shape or figure after a transformation, the new figure

• pre-image

• scale factor

• image

• rotation

the direction in which a figure is placed on a coordinate plane

• orientation of a figure

• reflection

• similarity

• clockwise

a shape or figure before a transformation; the original figure

• counter clockwise

• image

• pre-image

• translation

a transformation that produces a mirror image of the original figure over a line of reflection

• translation

• reflection

• rotation

• dilation

a transformation that turns a figure around a center of rotation

• translation

• reflection

• rotation

• dilation

the ratio of corresponding side in similar figures; the multiplier used to create a dilation

• clockwise

• dilation

• scale factor

• translation

when two figures are the same shape and have proportional sides and congruent angles

• congruence

• scale factor

• orientation of a figure

• similarity

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

• translation

• reflection

• rotation

• dilation