If Two Polygons Are Similar, How Can You Find The Scale Factor From One Polygon To The Other?

By dividing the larger side number by the smaller side number

The scale for similar figures is equal to the ratio of similitude.
Suppose there are 2 rectangles, ABCD and A`B`C`D`.
Suppose that AB = 6cm and BC = 4cm, and
A`B` = 3cm and B`C` = 2cm.
Ratio of simplitude can be calculated by taking the ratio of corresponding sides of similar figures.
AB:A`B`
6:3
2:1
By looking at the ratio, it is possible to tell that rectangle ABCD is twice the size of A`B`C`D`
and rectangle A`B`C`D` is half of ABCD.

To everyone who answered this question about the scale factor, thank you! I am learning this in math right now, and for some reason, it is really confusing to me. I have to finish my math test, and there was a problem on there about what the scale factor was (A= 3 and B=6) and I put 2 because A is twice the size of B (3,6) and I was checking to see if the method I was using was correct.

Estimate the area of the original figure by the area of the similar figure and the remainder is the scale factor. E.g if the areas are 16/4, so if we estimate it the answer is 4:1.

You know their another way you could divide the to corresponding side lengths by each other...the first answer is if your not trying to learn other things about the polygon your working on