Question

What is the area of a circle if the diameter is 6 centimeters?

Answer 1

Answer:

18pi or 56.52 if you substitute pi with 3.14

Step-by-step explanation:

Answer 2

Answer:

$28.26 {cm}^{2}$

Step-by-step explanation:

First let's find the radius

$d = 2r \\ 6 = 2r \\ \frac{6}{2} = \frac{2r}{2} \\ 3 = r$

Now let's find the area.

$\pi {r}^{2} \\ 3.14 \times 3 \times 3 \\ = 28.26 {cm}^{2}$

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