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I am going over it right now along with you guys, I just want to check if my work and the way I got the answer is right.

 

 Oct 9, 2018
edited by shreyas1  Oct 9, 2018
 #1
avatar+54 
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the answer would be 18, right?

 Oct 9, 2018
 #2
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Yes it is thank you for proving my answer to be right, this is my thought process

 Oct 9, 2018
edited by shreyas1  Oct 9, 2018
 #3
avatar+468 
+1

Here we go

 

 Oct 9, 2018
 #4
avatar+118667 
+1

Hi shteyas1,

I would have used a few more words like

 

 

 

And why exactly are those two triangles similar ?

 

BUT your logic is good.

Melody  Oct 9, 2018
edited by Melody  Oct 9, 2018
 #5
avatar+468 
0

Thank you, I will keep that in mind

 Oct 10, 2018

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