Question

two hemispherical bowls attached to the ends of cylinder to calculate C.S.A of the shape ,which formula is used​

Answer 1

Answer:

C. S.A. of cylinder =2πrh

C. S. A of hemisphere =2πr2

C. S.A.of cylinder +2× C. S. A of hemisphere

2πrh+2×2πr2

2πrh +4πr2

take common:

2πr(h+2r) is your formule