Question

a circle with a radius of 4 inches is shown below. what is the circumference, in inches, of the circle? 4 in 4π 8π 12π 16π

Explanation:

Step1: Recall the formula for circumference

The formula for the circumference of a circle is \(C = 2\pi r\) (where \(r\) is the radius).

Step2: Substitute the value of radius

Given \(r = 4\) inches. Substitute \(r = 4\) into \(C = 2\pi r\). So \(C=2\pi\times4\).

Step3: Calculate the result

\(2\pi\times4 = 8\pi\).

Answer:

\(8\pi\) (which corresponds to the second option in the multiple - choice list)