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Answer :

Answer: 75TT

(When you answer in terms of pi, don’t multiply pi but leave it in your answer)

Step-by-step explanation:

assuming the grain pile is a pyramid, V=1/3 TT r^2

(1/3) (TT) (15^2). Remember radius is 1/2 of diameter

(1/3) (225) TT

Answer 75TT