Geometry Dilation Vocabulary

A change in the size or position of a figure is called a(n) _____.

The original figure in a transformation is the (a)   .

• Preimage

• Image

• Transformation

• Dilation

A transformation that enlarges or reduces a figure is called (a)   .

• Dilation

• Center of Dilation

• Enlargment

• Reduction

An increase in the size of all dimensions in the same proportions is called a(n) _____.

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

The ratio used to enlarge or reduce similar figures.

• Scale Factor

• Scale Drawing

• Transformation

• Congruent

Figures with the same shape, but not necessarily the same size are _____.
Spelling Matters!!!

A transformation that results in an image that is the same shape, but not necessarily the same size, as the original figure is called (a)   .

• Similarity Transformation

• Congruence Transformation

• Transformation

• Dilation

A transformation that changes the size of a figure.

• Rotation

• Reflection

• Dilation

• Translation

What is the shape called before a transformation is performed?

• Dilation

• Figure

• Image

• Pre-Image

A dilation with a scale factor of 2 is a reduction. 

• True

• False