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Question
Which of the following are closed curves? Which of them are simple closed?
Which of the following are closed curves? Which of them are simple closed?
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Solution
Step 1: Closed curve
A closed curve is a curve where the beginning and end points are the same.
Therefore, (a), (c), (d), (f) and (g) are closed curves.
Step 2: Simple closed curve
A curve which starts and ends at the same point without crossing itself is called a simple closed curve.
Therefore, (a), (d), (f) and (g) are simple closed curves.
Step 1: Closed curve
A closed curve is a curve where the beginning and end points are the same.
Therefore, (a), (c), (d), (f) and (g) are closed curves.
Step 2: Simple closed curve
A curve which starts and ends at the same point without crossing itself is called a simple closed curve.
Therefore, (a), (d), (f) and (g) are simple closed curves.
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