Scale Factor

Front

What is the scale factor?

Back

The scale factor is a number that describes how much a figure is enlarged or reduced in a scale drawing compared to the original figure.

Front

If the scale factor is less than 1, what does it indicate about the figure?

Back

It indicates that the figure is a reduction.

Front

What does a scale factor greater than 1 indicate?

Back

It indicates that the figure is an enlargement.

Front

How do you calculate the scale factor between two similar figures?

Back

Divide the length of a side of the new figure by the length of the corresponding side of the original figure.

Front

What is the scale factor from a figure measuring 10 units to a figure measuring 5 units?

Back

1/2

Front

What is the scale factor from a figure measuring 4 units to a figure measuring 12 units?

Back

3

Front

In a scale drawing, if the actual width is 20 feet and the drawing width is 4 inches, what is the scale factor?

Back

1/5

Front

If a scale drawing is 2:1, what does this mean?

Back

It means the drawing is twice the size of the actual object.

Front

What is the scale factor from ABCD to MNOP if the lengths of corresponding sides are 6 units and 4 units respectively?

Back

2/3

Front

If a drawing is 8 units wide and the original is 4 units wide, what is the scale factor?

Back

2:1