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2003 AMC 10A Problem 17

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2003 AMC 10A Problem 17AMC 10 Step by Step
Name:                             Date: September 13, 2026
Circles · difficulty 3 of 5 · about 3 min · position P16-20

The number of inches in the perimeter of an equilateral triangle equals the number of square inches in the area of its circumscribed circle. What is the radius, in inches, of the circle?

  1. A)

    32π\frac{3\sqrt{2}}{\pi}

  2. B)

    33π\frac{3\sqrt{3}}{\pi}

  3. C)

    3\sqrt{3}

  4. D)

    6π\frac{6}{\pi}

  5. E)

    3π\sqrt{3}\pi

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