Consider the following statements regarding the sphere and the hemisphere?
A sphere having radius 8 cm and a hemisphere having radius half of that of the radius of a sphere.
I. The ratio of the total surface area of the sphere to the total surface area of the hemisphere is 16 : 3.
II. Four times the curved surface area of the hemisphere is 128π cm².
1
Both I and II are correct.
2
Only I is correct.
3
Only II is correct.
4
Neither I nor II is correct.