EXERCISE 2B
A. Tick (~) the simple closed curves :
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Step-by-step explanation:
In simple closed curves the shapes are closed by line-segments or by a curved line.
Triangle, quadrilateral, circle, etc., are examples of closed curves.
The shape which is not closed by line-segments or a curve is called an open curve.
A closed curve which does not cross itself is called a simple closed curve.
hope this will help you with your doubt
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