Question

If the diameter is 3 cm then the circumference is

Answer 1

We need to find the circumference of a circle given diameter 3 cm.

The formula for the circumference of a circle is:

`C=\pi d`

Where

C is the circumference

d is the diameter

We are already given the diameter, so substituting it back, we have:

`\begin{gathered} C=\pi d \\ C=\pi(3) \\ C=3\pi \end{gathered}`

Since π is "3.14", we have:

`\begin{gathered} C=3\pi \\ C=3*3.14 \\ C=9.42 \end{gathered}`

The Circumference is:

9.42 centimeters