Question

please answer fast

Twenty seven solid iron spheres, each of radius r and surface area S are melted to form a sphere with surface area S′. Find the
(i) Radius r ′ of the new sphere,
(ii) Ratio of S and S′

don't spam

​

Answer 1

Hope it help you

Mark it as brainlist

Answer 2

Please

make

it

as

brainlist .............