Scale Factor

Front

What is a scale factor?

Back

A 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 a scale factor is greater than 1, what does it indicate?

Back

It indicates that the new figure is an enlargement of the original figure.

Front

If a scale factor is less than 1, what does it indicate?

Back

It indicates that the new figure is a reduction of the original figure.

Front

What is the scale factor if the original width is 20 feet and the drawing width is 4 inches?

Back

1/5

Front

How do you calculate the scale factor?

Back

Divide the measurement of the drawing by the measurement of the original.

Front

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

Back

1/2

Front

What does a scale factor of 2 mean?

Back

It means the new figure is twice the size of the original figure.

Front

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

Back

2:1

Front

What is the scale factor if the original triangle is 3 units and the new triangle is 1.5 units?

Back

1/2

Front

What happens to the dimensions of a figure if the scale factor is 3?

Back

All dimensions of the figure are multiplied by 3, making it three times larger.