- A
- B
- C
- D
Step-by-Step Solution
Cyl CSA = 2*π*. Cone CSA = π*. Total .
Answer: A)
A grain silo (Punjab farm) is a cylinder of radius 3.5 and height 7 , capped by a cone of slant height 5 of the same radius. The metal sheet needed for the curved walls and the conical roof (no floor) in , taking π = , is: (CSA = curved surface area, TSA = total surface area)
Class 10Surface Area of Combined SolidsMensuration
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