Volume of spheres and hemispheres
Mensuration · Mathematics
Study notes
Q: Sphere r = 3: volume? Solid hemisphere r = 3? Sphere: 4π×27/3 = 36π ≈ 113.10. Hemisphere: 18π ≈ 56.55. Cylinder r=3,h=6: 54π - sphere is 2/3 (36π = 54π×2/3 ✓ Archimedes!).
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Mensuration · Mathematics
Q: Sphere r = 3: volume? Solid hemisphere r = 3? Sphere: 4π×27/3 = 36π ≈ 113.10. Hemisphere: 18π ≈ 56.55. Cylinder r=3,h=6: 54π - sphere is 2/3 (36π = 54π×2/3 ✓ Archimedes!).