Question

find the area of the circle the radius is 3cm

Answer 1

\[A = \pi r^2\]

Answer 2

So basically u use what @Astrophysics stated. plug in 3 for r, where r is the radius.

Answer 3

That is basically it.

Answer 4

\[A=3.14*3^{2}\]\[A=28.26\]28.26 is your answer. Can you give me a medal, please?

Answer 5

or we can just leave it as \[A=9 \pi \]
means the same thing. It's till 28.2...actually I got 28.27 but it's close.