Question

The total surface area of a solid hemisphere is 12πcm² then it's curved surface area is

Answer 1

Step-by-step explanation:

TSA=3 pie (radius)^2

3 pie (r)^2=12 pie

pie cancel

3 (r)^2=12

r^2=4

r=2

CSA=2 pie (r)^2

2×pie×4

8pie