Scale Factor
[color=#333333]A scale factor is the the ratio of any two corresponding lengths in two similar, geometric figures.[/color]
What happens to the triangle on the right as you lower the scale factor (k)?
Change the scale factor (k) to 3. What is the relationship between side CB and side C'B'?
Keep the scale factor (k) at 3. What is the relationship between side CD and side C'D'?
What is the scale factor from triangle ABC to triangle DEF?
How do you think you can predict a side length of a new figure based on the original figures side length and the scale factor?
Use the following picture to make predictions.
Predict the new dimensions of a rectangle if you were to apply a scale factor of 2 to the rectangle.
Predict the new dimensions of a rectangle if you were to apply a scale factor of 5 to the rectangle.
Predict the new dimensions of a rectangle if you were to apply a scale factor of [math]\frac{1}{2}[/math] to the rectangle.