r = 4
Volume V 134.04units³
Curved surface CSA 100.53units²
Total surface area SA 150.8units²

Step-by-step substitution

  • V = 2⁄3 πr³ = 2⁄3 · π · 4³ = 42.6667π ≈ 134.04
  • curved SA = 2πr² = 32π ≈ 100.53
  • total SA = 3πr² = 3 · π · 4² = 48π ≈ 150.8
Hemisphere · GeometryFormula.com