Dilations and Scale Factor

Front

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

Back

The figure undergoes an enlargement.

Front

What mathematical operation is used with the scale factor in a dilation?

Back

Multiplication.

Front

If AB = 3 and the scale factor is 4, what is the length of A'B'?

Back

12.

Front

What is the scale factor from ΔDEF to ΔABC if the lengths are doubled?

Back

2.

Front

If the scale factor is greater than one, what type of transformation occurs?

Back

An enlargement.

Front

What is a scale factor?

Back

A number that scales, or multiplies, a quantity.

Front

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

Back

The figure undergoes a reduction.

Front

How do you calculate the new length of a side after dilation?

Back

Multiply the original length by the scale factor.

Front

What is the scale factor if a triangle's sides are tripled?

Back

3.

Front

If a figure is dilated by a scale factor of 1, what happens to the figure?

Back

The figure remains unchanged.