Identify closed curve from the given figures.

1

only

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1, 2

only

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1, 2, 3

only

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4

only

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Solution

The correct option is C $4$ only

We know that an open curve has two end points and a closed curve has no end points because its starting and ending points are same.
Therefore the figure $1, 2, 3$ are the open figures whereas $4$ is a closed figure.
Hence only $4$ is a closed figure which is a circle.

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Identify closed curve from the given figures.

The correct option is C 4 onlyWe know that an open curve has two end points and a closed curve has no end points because its starting and ending points are same.Therefore the figure 1,2,3 are the open figures whereas 4 is a closed figure. Hence only 4 is a closed figure which is a circle.