Answer:
20.5138076
Step-by-step explanation:
n1sinθ1=n2sinθ2
n1= 2.42
θ2= 58
n2= 1
2.42sinθ=1sin(58)
2.42sinθ=0.848048096
sinθ=0.350433098
θ=20.5138076
Answer: 29
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