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

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

Re: Theorems about Similar Polygons?

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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® - Online Photo and Video Hosting
If BC = 10, BX = 6, XY = 4, then CD =

$\displaystyle \frac{BC}{BX}=\frac{CD}{XY}$

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

So, $\displaystyle CD=?$

Re: Theorems about Similar Polygons?

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