Dilations Intro

Front

What is a dilation in geometry?

Back

A dilation is a transformation that alters the size of a figure but maintains its shape.

Tags

CCSS.8.G.A.3

Front

True or False: Dilations only enlarge figures.

Back

False. Dilations can either enlarge or reduce figures.

Tags

CCSS.8.G.A.3

Front

What is the scale factor (SF) in a dilation?

Back

The scale factor is a number that describes how much a figure is enlarged or reduced during a dilation.

Tags

CCSS.8.G.A.3

Front

If the scale factor is less than 1, what type of dilation occurs?

Back

Reduction.

Tags

CCSS.8.G.A.3

Front

If the scale factor is greater than 1, what type of dilation occurs?

Back

Enlargement.

Tags

CCSS.8.G.A.3

Front

What happens to the distances between points in a figure during a dilation?

Back

The distances are multiplied by the scale factor.

Tags

CCSS.8.G.A.3

Front

Does a dilation change the shape of a figure?

Back

No, a dilation does not change the shape; it only changes the size.

Tags

CCSS.8.G.A.3

Front

What is the result of a dilation with a scale factor of 1?

Back

The figure remains the same size; it is neither enlarged nor reduced.

Tags

CCSS.8.G.A.3

Front

If a triangle is dilated with a scale factor of 2, what happens to its area?

Back

The area is multiplied by 4 (2 squared) because area changes with the square of the scale factor.

Tags

CCSS.7.G.A.1

Front

What is the center of dilation?

Back

The point from which the figure is enlarged or reduced.

Tags

CCSS.8.G.A.3