Angle measures and segment lengths

Nori

New member
Joined
Apr 10, 2019
Messages
6
1570697918414.png
I have to find y

I tried solving for x first though, so:
a*b=x*x

28*9 = x*x
252=x^2
x=15.87 or √(252)

Now I'm stuck as to how to use this to solve for y
 

lev888

Full Member
Joined
Jan 16, 2018
Messages
543
Can you look up the relevant formulas?
 
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