Two concentric circles have circumferences measuring 176 meters and 132 centimeters. What is the difference in their radii?

Explanation

To find the difference between the radii, first convert both circumferences to the same unit. The larger circumference is 176 meters, and the smaller is 132 cm (which is 1.32 meters). Using the formula C = 2πr, calculate each radius: r1 = 176 / (2π) = 28 meters, r2 = 1.32 / (2π) = 0.21 meters. The difference is 28 - 0.21 = 27.79 meters. However, since the options suggest a different interpretation, it's likely the smaller circumference is 132 meters (not cm). If both are in meters, r1 = 176 / (2π) = 28 m, r2 = 132 / (2π) = 21 m, and the difference is 7 meters, which matches option B.