GRE Question of the Day (April 22nd)

Math

Which of the following expresses the area of a circle in terms of C its circumference?

A) \({\frac{{C^2}}{{4\pi}}}\)

B) \({\frac{{C^2}}{{2\pi}}}\)

C) \({\frac{{C}}{{2\pi}}}\)

D) \({\frac{{C\pi}}{{4}}}\)

E) \({\frac{{C}}{{4\pi}}}\)

Correct Answer - A - (click and drag your mouse to see the answer)

Question Discussion & Explanation