Question

A circle has a radius of 12 m.

What is the approximate area of the circle? Use 3.14 to approximate pi. Write the answer to the nearest hundredth.


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Answer 1

`\sf~A=\pi~r^2`

Plug in what we know:


`\sf~A=(3.14)(12)^2`

Simplify exponent:


`\sf~A=(3.14)(144)`

Multiply:


`\sf~A=\boxed{\sf452.16}`