A. 18 πr2 sq units
B. 3 πr2 sq units
C. 12 πr2 sq units
D. 6 πr2 sq units
2 * π * 2r * 3r = 12 πr2
Correct Answer: C. 12 πr2 sq units ✔
Last Updated: February 07, 2020
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