Question

4. Three solid spheres of iron whose
diameters are 2 cm, 12 cm and 16 cm,
respectively are melted into a single solid
sphere. Then, the radius of the solid
sphere, is
(a) 9 cm (b) 7 cm (c) 6 cm (d) 3 cm​

Answer 1

Answer:

9

Step-by-step explanation:

we can do this by taking volume const