Question

Surface area of hemisphere is 2772sq.cm then the total surface area of hemisphere is ?

Answer 1

S=2772
2 pie r^2 = 2772
r^2 = 2772 * 7 / 2 * 22
r^2 = 441
r = 21
So, Total surface area = 2 pie r^2 + pie r^2
= 2772 + 22 * 21 * 21 / 7
= 2772 + 1386
= 4158 Sq. cm

Answer 2

Answer:

4158cm2

Step-by-step explanation: