Let s1, s2 be the whole surface of a sphere and curved surface of a circumscribed cylinder respectively . then s1 is ?

a) 2s2 b) s2 c) 1/2 s2 d) 2/3 s2

• S1=4*pi*r^2
  S2=2*pi*r*h
  as sphere is circumscribed inside cylinder, h=2*r
  so,S1=S2.
• 8 years agoHelpfull: Yes(2) No(0)