Find the missing side of each triangle. Round your answers to the nearest tenth if necessary.
(Please show your work)

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[tex] \: [/tex]
[tex]\boxed{ \rm{answer \: by \: { \boxed{ \rm{☆HayabusaBrainly}}}}}[/tex]
x² = (14,4)² - 9²
x² = 207,36 - 81
x² = 126,36
x = 11,2