Dilation & Scale Factor

Front

What are similar figures?

Back

Similar figures have the same shape but different sizes.

Front

What does a scale factor of 1/4 indicate when dilating a figure?

Back

It indicates that the new image will be a reduction of the preimage.

Front

If a triangle is dilated by a scale factor of 3, how do the coordinates of its vertices change?

Back

Each coordinate of the vertices is multiplied by 3.

Front

What is the result of dilating the point (3,3) by a scale factor of 3?

Back

The new coordinates will be (9,9).

Front

What does a scale factor greater than 1 indicate?

Back

It indicates that the prime image will be an enlargement of the preimage.

Front

How can you determine if two figures are similar?

Back

Two figures are similar if their corresponding angles are equal and their corresponding sides are in proportion.

Front

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

Back

The scale factor is 1/2.

Front

If figure L is a scaled copy of figure S, what can be said about their dimensions?

Back

Figure L is a dilation of figure S, meaning it has the same shape but different size.

Front

What is the effect of a scale factor of 0 on a figure?

Back

A scale factor of 0 will reduce the figure to a single point at the origin.

Front

What is the relationship between the scale factor and the area of similar figures?

Back

The area of similar figures is proportional to the square of the scale factor.