alleryA capsule is a cylinder 10 cm long and 3.5 cm in radius with a hemisphere at each end. Its surface area is? (Take π = 22/7)
A154 cm²
B374 cm²
C220 cm²
D440 cm²
Answer & Solution
Correct answer: B. 374 cm²
Cylinder wall 2πrh = 220 plus two hemispheres 4πr² = 154 gives 374 cm².
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