Question

a vessel in the form of hallow hemisphere mounted by a hallow cylinder the diameter of hemisphere is 14 cm and total height is 13cm find the inner surface area of vessel ​

Answer 1

Answer:

CSA of cylinder+CSA of hemisphere-base area of cylinder

2πrh+2πr^2-πr^2=after substitution of values and after simplification the answer came is 418cm^2