RSTUV and WXYZA are similiar with corresponding sides RS and WX. If ST=14, XY=3m-11 with a ratio of similiarty of 4, what is 12m?
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Originally Posted by sanee66 RSTUV and WXYZA are similiar with corresponding sides RS and WX. This is the key. So you can take the rest like that.
$\displaystyle \frac{ST}{XY}=\frac{14}{3m-11}=4\Rightarrow 4(3m-11)=14\Rightarrow 12m=58$
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