+0  
 
+1
140
1
avatar+282 

Help Please?

lizagame  Mar 31, 2017
Sort: 

1+0 Answers

 #1
avatar+4686 
+4

Triangle ABC is similar to triangle PQR.

So, because of the way the triangles are named:

AB is to PQ as AC is to PR.

9 is to 15 as 12 is to PR

\(\frac{9}{15}=\frac{12}{PR} \\~\\ PR*\frac{9}{15}=12 \\~\\ PR=12/\frac{9}{15} \\~\\ PR=12*\frac{15}{9} \\~\\ PR=20\)

 

smiley

hectictar  Mar 31, 2017

32 Online Users

avatar
avatar
We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.  See details