Scale Copy

Front

What is a scale copy?

Back

A scale copy is a figure that is similar to another figure but is either larger or smaller by a certain scale factor.

Front

What does a scale factor of less than 1 indicate?

Back

A scale factor of less than 1 indicates a reduction in size.

Front

What does a scale factor greater than 1 indicate?

Back

A scale factor greater than 1 indicates an enlargement in size.

Front

If the scale factor is 0.80, what type of transformation occurs?

Back

Reduction.

Front

What is the scale factor from a small object to a larger object if the larger object is 3 times the size of the smaller one?

Back

3.

Front

If ΔABC is scaled to ΔDEF with a scale factor of 2, what happens to the size of ΔABC?

Back

It is enlarged to twice its original size.

Front

What is the scale factor if a figure is enlarged from a size of 4 units to 20 units?

Back

5.

Front

Which of the following is a scaled copy of figure A?

Back

Figure D.

Front

How do you determine if two figures are scale copies?

Back

Two figures are scale copies if they have the same shape but different sizes, and their corresponding sides are proportional.

Front

What is the relationship between scale factor and area?

Back

If the scale factor is k, the area of the scaled figure is k² times the area of the original figure.