📘IM2 Ch 8 Vocab Similarity

What is a dilation in geometry?

• A transformation that changes the color of a figure

• A transformation that rotates a figure

• A transformation that enlarges or reduces a figure with respect to a fixed point

• A transformation that translates a figure

Tags

CCSS.HSG.SRT.A.1

What is the

name of point A?

• The midpoint of a line segment

• The center of dilation

• A point on the directed line segment

• The intersection of two lines

Tags

CCSS.HSG.CO.A.1

What is the scale factor in a dilation?

• The angle of rotation

• The distance between two points

• The ratio of the lengths of the corresponding sides of the image and the preimage

• The area of the figure

Tags

CCSS.HSG.SRT.A.1

What is an enlargement in terms of dilation?

• A dilation in which the scale factor is less than 1

• A dilation in which the scale factor is equal to 1

• A dilation in which the scale factor is greater than 1

• A dilation in which the scale factor is negative

Tags

CCSS.HSG.SRT.A.1

What is a reduction in terms of dilation?

• A dilation in which the scale factor is greater than 1

• A dilation in which the scale factor is equal to 1

• A dilation in which the scale factor is greater than 0 and less than 1

• A dilation in which the scale factor is negative

Tags

CCSS.HSG.SRT.A.1

What are similar figures?

• Figures that have the same size and shape

• Figures that have the same shape but not necessarily the same size

• Figures that have the same color

• Figures that have the same perimeter

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

What is a directed line segment?

• A line segment that is curved

• A segment that represents moving from point A to point B

• A segment that is part of a circle

• A segment that is parallel to another segment

Tags

CCSS.HSG.GPE.B.6

What is a pre-image in geometry?

• The final shape after a transformation

• The original or initial shape

• A shape that is reflected

• A shape that is rotated

Tags

CCSS.HSG.CO.A.4

What is an image in terms of transformations?

• A shape that is unchanged

• A shape that is rotated

• A dilated shape

• A shape that is translated

Tags

CCSS.HSG.CO.A.5

What is the formula for scale factor?

Tags

CCSS.HSG.SRT.A.1