Multiple choice general knowledge math & puzzles Area of a circle (22/7)^2 2x(22/7) (22/7)xR^2 (22/7)x2^R Reveal answer Fill a bubble to check yourself C Correct answer Explanation The area of a circle is pi * R^2. Using 22/7 as the standard approximation for pi, the formula is (22/7) * R^2. Option 407792 is the correct representation of this area formula.