Question

the diameter of a circle is 4 kilometers. what is the circumference? give the exact answer in simplest form. kilometers

Explanation:

Step1: Recall the formula for circumference

The formula for the circumference \(C\) of a circle is \(C=\pi d\), where \(d\) is the diameter.

Step2: Substitute the value of diameter

Given \(d = 4\) kilometers. Substitute \(d = 4\) into the formula \(C=\pi d\). So, \(C=\pi\times4=4\pi\).

Answer:

\(4\pi\)