Answer :

wolf1728
18 inch diameter = 9 inch radius
Sphere Volume   =   4/3 • π • r³
Sphere Volume   =   4/3 * PI * 9^3
Sphere Volume   =   4/3 * PI * 729
Sphere Volume   =   3,053.628




TheBlueFox

Volume = 3,052.08 in³

Work is attached in the image provided.

${teks-lihat-gambar} TheBlueFox

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