Digital PSAT Math Practice Question 308: Answer and Explanation

Question: 308

If the diameter of a circle is 10 centimeters, what is the circumference of the circle in centimeters?

Grid-In:

Correct Answer: 31.41 or 31.42

Explanation:

31.41 or 31.42. To solve for the circumference of a circle, multiply the diameter by pi: $\mathrm{?}?10\approx 31.41593$, which can be entered on the fill-in as 31.41 or 31.42.