The internal and external diameter of a hollow hemispherical vessel are 42 cm and 45.5 cm, respectively. Find its capacity (volume) and also its outer curved surface area.
(a) Volume: 19322.5 cm^3, Curved Surface Area: 3465 cm^2
(b) Volume: 15458 cm^3, Curved Surface Area: 3089 cm^2
(c) Volume: 23187.5 cm^3, Curved Surface Area: 4158 cm^2
(d) Volume: 30890 cm^3, Curved Surface Area: 4637 cm^2