(trigonometry question)
-I'll give branliest as a reward-

Answer:
AC=2.868
Step-by-step explanation:
using pythagoras theorem
take 35 degree as reference angle
hypotenuse =5 , opposite =AC , adjacent=BC
using sin rule
sin 35=opposite/hypotenuse
0.5735=AC/5
0.5735*5=AC
2.8675=AC
2.868=AC