+0  
 
0
28
3
avatar+464 

Here is my question

 

 
shreyas1  Oct 10, 2018
 #1
avatar+13041 
+1

PQ + QS = 14

 

PQ/PS = PR/PT   due to similarity

 

8/14 = PR / 10.5

10.5 ( 8/14) = PR

PR = 6 units

 
ElectricPavlov  Oct 10, 2018
 #2
avatar+89998 
+1

Since QR  is parallel to ST.....then segment QR  is  parallel to  base ST

 

This sets up the following relationship :

 

PQ / QS    = PR / RT

 

8 / 6   = PR /RT

 

4 / 3  = PR /RT

 

So....we have 7  equal parts to PT

 

And  PR  is 4 of them

 

So   PR  =  (4/7) (10.5)   =   6

 

 

cool cool cool

 
CPhill  Oct 10, 2018
 #3
avatar+464 
+1

Thank you both of you(CPhill and ElectricPavlov)

 
shreyas1  Oct 10, 2018

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