Respuesta :

goyangi
side u = 8 units

Explanation:

(The triangle is a right triangle so we can use trigonometry to find u.)

(If you look from angle 45 degrees’ view: u is opposite, v is adjacent and 8 sqrt(2) is the hypotenuse because it is opposite to the right angle.)

sin = Opposite/Hypotenuse

sin(45) = u/[8 sqrt(2)]
sin(45) x 8 sqrt(2) = u
8 = u
u = 8 units

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