tolong yah kakak kakak

[tex]\pi {r}^{2} \\ \frac{22}{7} \times {28}^{?} = 2464 \\ \\ \frac{45}{360} \times 2464 \\ = 308[/tex]

22/7.28^2
=22.112
=2464
45/360.2464
=110880/360
=308

D.308