http://prntscr.com/aal28i
I found x. I need help finding y. I'm pretty sure I'm supposed to use this theorem, and if not this one some theorem that has to do with proportions. Not the Pythagorean theorem.
http://prntscr.com/aal2iu

Question

http://prntscr.com/aal28i
I found x. I need help finding y. I'm pretty sure I'm supposed to use this theorem, and if not this one some theorem that has to do with proportions. Not the Pythagorean theorem. 
http://prntscr.com/aal2iu

kikuo · Answer

@triciaal

triciaal · Answer

do you see 3 right angled triangles?

kikuo · Answer

Yes

triciaal · Answer

can you sketch the diagram in the draw box?

apply the theorem by identifying the equivalent sides first (based on the example)

kikuo · Answer

@triciaal 
Would you mind doing it? I'm on my phone in the car currently.

triciaal · Answer

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