Answer :
[tex]\sf~A=\pi~r^2[/tex]
Plug in what we know:
[tex]\sf~A=(3.14)(12)^2[/tex]
Simplify exponent:
[tex]\sf~A=(3.14)(144)[/tex]
Multiply:
[tex]\sf~A=\boxed{\sf452.16}[/tex]
Plug in what we know:
[tex]\sf~A=(3.14)(12)^2[/tex]
Simplify exponent:
[tex]\sf~A=(3.14)(144)[/tex]
Multiply:
[tex]\sf~A=\boxed{\sf452.16}[/tex]