Question

plz tell me the answer of the following question ASAP

the ratio of the whole surface area of a solid sphere and a solid hemisphere is ?

Answer 1

We know that the whole surface area of a solid sphere is 4Π(r)^2 and that of a solid hemisphere is 3Π(r)^2

so the ratio of the solid sphere to the hemisphere will be 4:3

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Answer 2

Answer:

Mark it as brainliest

Step-by-step explanation:

Whole surface area of a sphere=4*pi*r^2

Whole surface area of a hemisphere= 2*pi*r^2

Ratio=4*pi*r^2/2*pi*r^2

ratio=2( provided both radii same)

ratio=2R^2/r^2 ( if both radii are different)