Posted by **Tami** on Monday, December 8, 2008 at 10:33pm.

I am currently in a section of my geometry book titled Applying Properties of Similar Triangles. This is a very easy section but there is on problem where I cannot figure out (forgot) the next step.

1. z-4 12

--- = ---

z/2 10

2.(z-4)10 = (z/2)12

3. 10z+40 = ?

Thank you for your time and your help would be appreciated a lot a lot a lot!!! :D please help

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