Step-by-step explanation:
area of sector=74.84
radius = 8
angle of sector=?
[tex]area \: of \: sector \: = \frac{1}{2} \times {r}^{2} \times angle \: of \: sector[/tex]
74.84=1/2×8²×angle of sector
74.84=32 × angle of sector
74.84/32= angle of sector
2.33875=angle of sector