Answer:
Step-by-step explanation:
You can use Pythagoras Theorem,
[tex]8^{2} + y^{2} = (8\sqrt{6} )^{2} \\ y^{2} = (8\sqrt{6} )^{2} - 8^{2} \\y^{2} = 384 - 64\\y^{2} = 320\\y = \sqrt{320}[/tex]
∴ [tex]y = 8\sqrt{5}[/tex]
Hope that helps!!
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