Rectangle ABCD is similar to rectangle FGHI.

What is the value of x?

https://static.k12.com/calms_media/media/1582000_1582500/1582238/1/134027d80cce790236b07b5b25a01b2908282601/MS_IMC-150209-150415.jpg

Help Quick Please!

Question

Rectangle ABCD is similar to rectangle FGHI.  
 
What is the value of x?
 
https://static.k12.com/calms_media/media/1582000_1582500/1582238/1/134027d80cce790236b07b5b25a01b2908282601/MS_IMC-150209-150415.jpg

Help Quick Please!

mehek14 · Answer

Set up proportions

$\dfrac{6}{8}=\dfrac{9}{x}$

You can cross multiply

jas.2002 · Answer

wouldnt it just be 11? because they added 2 to 6..

mehek14 · Answer

Nope
Similar = there is a scale factor

mehek14 · Answer

So if you cross multiply, 
it would be
6x = 72

72/6 = x

jas.2002 · Answer

how?

mehek14 · Answer

Proportions

jas.2002 · Answer

lol ok. thank you haha

mehek14 · Answer

Yw :)