Someone help me with this

Answer:
radius = √35 mm or 5.916 mm
Explanation:
Here:
Solve for radius:
[tex]\rightarrow \sf \pi r^2 = 110[/tex]
[tex]\rightarrow \sf \dfrac{22}{7} r^2 = 110[/tex]
[tex]\rightarrow \sf r^2 = \dfrac{110(7)}{22} =35[/tex]
[tex]\rightarrow \sf r = \sqrt{35}[/tex]
Let's see