Question

the length of a rectangle is 15 inches and is dilated to 30 inches. What is the scale factor?

Answer 1

Ok so scale factors are written as Ratios.

eg. 3:1, 5:1, 3:4, etc.

So if we have a rectangle with a length of 15, it looks like this:


But then it is scaled to 30. Which looks like this:

Answer 2

So if we have a comparison like this, then we can say its a 1:3 ratio.



So what is your best guess to the scale factor?