Dilation / Scale Factor

Front

What is dilation in geometry?

Back

Dilation is a transformation that alters the size of a figure but keeps its shape the same, using a scale factor.

Tags

CCSS.8.G.A.3

Front

What does a scale factor represent in dilation?

Back

A scale factor is a number that scales, or multiplies, the dimensions of a figure during dilation.

Tags

CCSS.8.G.A.3

Front

What happens to the shape of a figure during dilation?

Back

The shape remains the same, but the size changes.

Tags

CCSS.8.G.A.3

Front

What happens to the angles of a polygon during dilation?

Back

The angles do not change during dilation.

Tags

CCSS.HSG.CO.A.2

Front

If the scale factor is greater than 1, what happens to the figure?

Back

The figure gets larger.

Tags

CCSS.8.G.A.3

Front

If the scale factor is less than 1, what happens to the figure?

Back

The figure gets smaller.

Tags

CCSS.8.G.A.3

Front

How do you calculate the new dimensions of a figure after dilation?

Back

Multiply the original dimensions by the scale factor.

Tags

CCSS.8.G.A.3

Front

What is the scale factor if a triangle's sides change from 3 cm to 6 cm?

Back

The scale factor is 2.

Tags

CCSS.7.G.A.1

Front

What is the relationship between similar figures?

Back

Similar figures have the same shape but different sizes.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Front

Can a dilation produce a figure that is not similar to the original?

Back

No, a dilation always produces a similar figure.

Tags

CCSS.8.G.A.3