Respuesta :

the answer is 213.52
rounded :214


work :

[tex]18 \times 18 \times \pi = 324\pi = 1017.36[/tex]
[tex]16 \times 16 \times \pi = 256\pi = 803.84[/tex]

the area is
[tex]1017.36 - 803.84 = 213.52[/tex]

good luck