GRE Question of the Day (June 24)

By - Jun 24, 02:00 AM Comments [0]

Math

The relationship between the area A of a circle and its circumference C is given by the formula \({A=kC^2}\), where k is a constant. What is the value of k ?

A. \({\frac{{1}}{{4\pi}}}\)

B. \({\frac{{1}}{{2\pi}}}\)

C. \({\frac{{1}}{{4}}}\)

D. \({2\pi}\)

E. \({4\pi^2}\)

Here \({\pi =3.14}\)

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

Question Discussion & Explanation

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