1 answer
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A. Use this formula: V = (1/3)πr^2h
B. Substitute in for the radius and simplify to get 189 = (1/3)(3.14)(4^2)h = 16.72h
C. Use the reciprocal to get about h = 189 / 16.72 ≈ 11.3
D. Use the inverse operation of multiplication to get h by itself.
E. Height is approximately 11.3 feet.