Question

find the ratio of total surface area of a sphere and a solid hemisphere of same radius

Answer 1

your question is not clear

Answer 2

Answer: Ratio will be 4:3.

Step-by-step explanation:

Since we have given that

Sphere and hemisphere have same radius say 'r'.

So, Total surface area of a sphere is given by

$4\pi r^2$

Total surface area of a hemisphere is given by

$3\pi r^2$

So, Ratio of total surface area of a sphere : Total surface area of hemisphere

$4\pi r^2:3\pi r^2\\\\=4:3$

Hence, ratio will be 4:3.