# Math Help - Theorems about Similar Polygons?

1. ## Theorems about Similar Polygons?

Theorems about Similar Polygons?

I so need help with this and couple of others, PLEASE HELP ME!
Explain this to me

Given: rectangle ABCD is similar to rectangle ZBXY. Enter answer as a mixed number.

here's the image link
ImageShack&#174; - Online Photo and Video Hosting

If BC = 10, BX = 6, XY = 4, then CD =

2. ## Re: Theorems about Similar Polygons?

Originally Posted by zokura
Theorems about Similar Polygons?

I so need help with this and couple of others, PLEASE HELP ME!
Explain this to me

Given: rectangle ABCD is similar to rectangle ZBXY. Enter answer as a mixed number.

here's the image link
ImageShack&#174; - Online Photo and Video Hosting

If BC = 10, BX = 6, XY = 4, then CD =
$\frac{BC}{BX}=\frac{CD}{XY}$

$\frac{10}{6}=\frac{CD}{4}$

So, $CD=?$

3. ## Re: Theorems about Similar Polygons?

Thank you so much I want post more questions. my teacher can't explain for nothing.