Formula of the Volume of a hemisphere: V = r³ 144 = r³ Multiply by 3 to cancel fraction in the right side 144 × 3 = 2 r³ 432 = 2r³ Divide by 2 on either sides to isolate r³ = r³ 2 and cancel out 216 = r³ Take cube root to find the radius = 6 = r Radius is 6 units
The formula of the surface area of a hemisphere is: S.A = 2r² + r² = (6)² + (6)² =2 × 36 + 36 = 72 + 36 = 108 units² (in terms of ) ≈ 339.12 units²