Answer :

Answer:

[tex]10368ft^3[/tex]

Step-by-step explanation:

[tex]V=a^2\frac{h}{3} \\=24^2\frac{9}{3} \\=1728ft^3[/tex](square pyramid)

[tex]V=a^2h\\=24^2*15\\=8640ft^3[/tex](square prism)

Add both together

[tex]1728+8640\\=10368ft^3[/tex]

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