Find the volume and surface area of a sphere whose radius is:
(i) 3.5 cm (ii) 4.2 cm (iii) 5 cm

Answer

(i) `179.67 cm^(3), 154 cm^(2)` (ii) `310.464 cm^(3), 221.76 cm^(2)`
(iii) `523.81 m^(3), 314.28 m^(2)`