+0  
 
+1
128
2
avatar+273 

I don't understand. 

LaughingFace  Apr 9, 2018
 #1
avatar+428 
0

im thinking A and B

jakesplace  Apr 9, 2018
edited by jakesplace  Apr 9, 2018
 #2
avatar+89953 
+1

Each side  of   P'Q'R'  is twice that of its corresponding side  of PQR

 

So

 

P'R'

___  =   2    is true

PR

 

 

Also

 

P'Q'

____  =  2               multiply both sides by PQ

PQ

 

P'Q'  =  2PQ     subtract  2PQ  from both sides

 

P'Q' - 2PQ   =  0     is also true

 

 

cool cool cool

CPhill  Apr 9, 2018

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