- A367
- B407
- C814
- D447
Step-by-Step Solution
Cyl CSA = 2*π*. Hemisphere CSA = 2*π*. Total .
Answer: B) 407
A trophy is a hemisphere (radius 3.5 cm) on top of a cylinder (radius 3.5 cm, height 15 cm) standing on a base circle. The cylinder bottom is glued to a stand and NOT counted. The exposed surface = cylinder curved + hemisphere curved. In (π = ): (CSA = curved surface area, TSA = total surface area)
Class 10Surface Area of Combined SolidsMensuration
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