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Answer:
V=11858.98
Step-by-step explanation:
V=r^2*pi*h
first find r
r=d/2
d=1.4(19.75)
d=27.65
r=27.65/2
r=13.825 ft
plug into volume equation
V=13.825^2*pi*19.75
V=11858.97771
V=11858.98 ft^3