Scale Factor

Front

What is the scale factor if the triangle on the left is the original?

Back

1/2

Front

What is the formula for scale factor?

Back

Front

What is the scale factor from ΔDEF to ΔABC?

Back

1/2

Front

What is the scale factor from the small fry to the large fry?

Back

3

Front

If the scale factor is greater than one, the new figure will be?

Back

an enlargement

Front

Define scale factor.

Back

The ratio of the dimensions of a new figure to the dimensions of the original figure.

Front

What happens to the size of a figure if the scale factor is less than one?

Back

The figure is reduced.

Front

What is the scale factor if a rectangle's length is doubled and width remains the same?

Back

2

Front

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

Back

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

Front

What is the scale factor if a triangle's area increases by a factor of 4?

Back

2 (since area scales with the square of the scale factor).