- A77.44
- B38.72
- C34.72
- D42.72
Step-by-Step Solution
Cyl CSA = 2*π*. Hemisphere CSA = 2*π*. Total .
Answer: B) 38.72
A storage tank is a cylinder with a hemispherical dome on top, both of radius 1.4 . The cylinder is 3 tall. The outer surface to paint = cylinder curved surface + hemisphere curved surface (the base sits on the ground, not painted). Find it in . (Take π = ) (CSA = curved surface area, TSA = total surface area)
Class 10Surface Area of Combined SolidsMensuration
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