Respuesta :

Answer: D

Explanation:
Area of cross section= π x 4^2 = 16π
Volume = 16π x 9 = 144π
altavistard

Answer:

144.1π cubic units

Step-by-step explanation:

Utilize the volume formula V = (pi)r^2h, where r is the radius and h is the height:

Here V = (pi)(4^2)(9)  ≈  (22/7)(16)(9) ≈ 144.1π

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