Dilations and Similar Figures Review

Front

What is a dilation in geometry?

Back

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

Tags

CCSS.8.G.A.3

Front

What does a scale factor greater than 1 indicate?

Back

It indicates an enlargement of the figure.

Tags

CCSS.8.G.A.3

Front

What does a scale factor less than 1 indicate?

Back

It indicates a reduction of the figure.

Tags

CCSS.8.G.A.3

Front

If a table is 6 feet long and is represented as 2 inches in a drawing, what is the scale used?

Back

1 inch = 3 feet.

Tags

CCSS.7.G.A.1

Front

What is the scale factor if a figure is reduced to half its size?

Back

The scale factor is 1/2.

Tags

CCSS.7.G.A.1

Front

True or False: A dilation with a scale factor of 2 is a reduction.

Back

False, it is an enlargement.

Tags

CCSS.8.G.A.3

Front

True or False: A dilation with a scale factor of 1/2 is an enlargement.

Back

False, it is a reduction.

Tags

CCSS.8.G.A.3

Front

What is the scale factor if a figure is enlarged to twice its size?

Back

The scale factor is 2.

Tags

CCSS.7.G.A.1

Front

How do you determine if a dilation is an enlargement or reduction?

Back

Compare the scale factor to 1; if greater than 1, it's an enlargement; if less than 1, it's a reduction.

Tags

CCSS.8.G.A.3

Front

What is the relationship between similar figures and dilations?

Back

Similar figures are the result of dilations, as they maintain the same shape but differ in size.

Tags

CCSS.8.G.A.3