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Open and Closed Shapes

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Open shapes

If a shape is closed, you can take a pencil and trace it all the way around back to where you started, without running into any breaks. If there is a break in the shape, that means it is not closed and is called an open shape.

An open shape is made up of line segments, but there is at least one line segment that isn't connected to anything at one of its endpoints. The shape is not a closed figure.

Open 1

Closed shapes

If a shape is enclosed from all the sides end-to-end and form a figure with no openings is called a closed shape.

Open 2

Let's go through some examples.

Example 1

 

Is this shape open or closed?

Open 3

If start point and end point are different then, it is open shape.

So,the given shape is open.

 

Example 2

 

Is this shape open or closed?

Open 4

If a shape is enclosed by all sides, it is closed shape.

So,the given shape is closed.

Summary
  • An open shape is made up of line segments, but there is at least one line segment that isn't connected to anything at one of its endpoints. The shape is not a closed figure.
  • Open 1

    Open 2

  • If a shape is enclosed from all the sides end-to-end and form a figure with no openings is called a closed shape.

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