Question

suppose the diameter of a circle is 4 units. what is its circumference? use 3.14 for π and enter your answer as a decimal.

Explanation:

Step1: Circumference formula

\( C = \pi d \)

Step2: Substitute values

\( C = 3.14 \times 4 \)

Step3: Calculate result

\( C = 12.56 \)

Answer:

12.56 units