Answer:
u = 9.7
Step-by-step explanation:
[tex]Opposite =u\\Hypotenuse = 12\\Adjacent = 7\\Using\: Pythagoras \: Theorem\\Hypotenuse^2 = Opposite^2+Adjacent^2\\12^2= u^2+7^2\\144=u^2 +49\\144-49=u^2\\95=u^2\\\sqrt{95} =\sqrt{u^2} \\u = 9.74\\\\u = 9.7[/tex]
