Question

the radius of a circle is 10 centimeters. what is the circumference? give the exact answer in simplest form. centimeters

Explanation:

Step1: Recall circumference formula

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

Step2: Substitute radius value

Substitute $r = 10$ cm into the formula:
$C = 2\pi \times 10$

Step3: Simplify the expression

Calculate the product of 2 and 10:
$C = 20\pi$

Answer:

$20\pi$ centimeters