Dilations

Front

What is a dilation in geometry?

Back

A transformation that changes the size of a figure but not its shape.

Tags

CCSS.8.G.A.3

Front

What happens to a figure when the scale factor (SF) is greater than 1?

Back

The figure undergoes an enlargement.

Tags

CCSS.8.G.A.3

Front

What happens to a figure when the scale factor (SF) is less than 1?

Back

The figure undergoes a reduction.

Tags

CCSS.8.G.A.3

Front

What is the scale factor in a dilation?

Back

A number that describes how much the figure is enlarged or reduced.

Tags

CCSS.8.G.A.3

Front

If a dilation has a scale factor of 1, what happens to the figure?

Back

The figure remains the same size; it is congruent.

Tags

CCSS.8.G.A.3

Front

What is the relationship between similar figures?

Back

They have the same shape but different sizes.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Front

In a dilation, what mathematical operation is used with the scale factor?

Back

Multiplication.

Tags

CCSS.8.G.A.3

Front

True or False: A dilation produces a congruent figure.

Back

False.

Tags

CCSS.8.G.A.3

Front

If the scale factor is 6/5, what type of dilation is it?

Back

Enlargement.

Tags

CCSS.8.G.A.3

Front

What is the effect of a scale factor of 0.5 on a figure?

Back

It reduces the size of the figure by half.

Tags

CCSS.8.G.A.3