I GIVE BRAINLIEST FOR EXPLANATION AND CORRECT ANSWER EXTRA POINTS 9

Trig.
Ok. Lets label. 22 = Hyptoneus, 12 = opposite.
That means we are using SOH.
Sin x = 12/22
= sin(-₁) 12/22 = x
x = 33.056
Answer:
18.4
Step-by-step explanation:
a^2+b^2=c^2 = formula
12^2+x^2=22^2 = equation
x^2=22^2-12^2
simplify 22^2-12^2 which is 484-144
x^2=340
square root of 340 is 18.4