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Question

A sphere is cut into two halves. What will be the number of curved surfaces when a cone of the same radius and half cut sphere are attached together?

A
2
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B
1
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C
3
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D
4
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Solution

The correct option is A 2
  • A cone attached to a half cut sphere.

From the figure, we can see that there are two curved surfaces (one of the sphere and the other of the cone).

So, the total number of curved surfaces is 2.

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