[tex]\text{Area =}\frac{\emptyset}{360}\times\pi\text{ }\times r^2[/tex][tex]\emptyset=100^0,\text{ r = 3cm, }\pi=3.14[/tex][tex]\begin{gathered} \text{Area =}\frac{100}{360}\text{ }\times3.14\times3\times3 \\ =\text{ }\frac{2826}{360} \\ =7.85cm^2 \end{gathered}[/tex]
Option A is correct
