Question 1094661
C = 2r × π
55 = 2r × π 
2r = 55/π
2r = 17.5
r = 8.75
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V = 4/3 × π × r^3 
V = 4/3 × π × 8.75^3
V = 4.188 × 669.92
V = 2805.62cm^3