Open Figures

Q. How can we identify the figures which are open and closed?

Q. Which of the following curve is open?

1. 
2. 
3. 
4. 

Q.

Question 1: Classify the following curve as (i) Open or (ii) Closed

Q.

A closed curve has how many parts?

1. 3

2. 2

3. 2

4. 1

Q.

Question 2: Draw a rough diagram to illustrate the following:
(i) Open curve

Q. What is diagonal of mathematical shapes?

Q.

The figures shown below are

1. Closed curves.

2. Polygons.

3. Open curves.

4. Circle.

Q. The region inside a closed curve is called the ______ of the curve.

1. interior
2. exterior
3. boundary
4. complexity

Q. Which of the following are closed curves? Which of them are simple?

Q.

Which of the following best describes the figure shown?

1. Closed curve

2. And

3. Circle

4. Open curve

Q.

Shikha made a curve and asked Geetika, Is this open curve or closed curve?

Q.

One day, Tom was playing with Jack in the garden where they drew a closed figure and tossed a coin. The coin fell on the boundary of the figure they drew. How do you describe the position of the coin?

1. Closed curve
2. Point
3. On the boundary
4. Line

Q.

The figure shows which kind of curve?

1. Closed curve

2. Open curve

3. The figure is not a curve.

4. Cannot be determined!

Q.

A circle is a ____ .

1. closed curve

2. open curve

Q.

Are these curves open or closed?

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Q.

The figure shown below is not a closed curve.

1. True

2. False

Q. Draw rough diagram to illustrate the following:

(i) Open curve
(ii) Closed curve

Q. Classify the following curves as open or closed:

Q.

What can be said about the figure given below?

1. Open curve

2. Closed curve

3. Ends are joined together

4. Ends are not joined together

Q. The above figure is a closed curve.

1. True
2. False

Q.

One day, Tom was playing with Jack in the garden where they draw a closed figure and tossed a coin. The coin fell on the boundary of the figure they drew. How do you describe the position of the coin?

1. Closed curve
2. On the boundary
3. Line
4. Point

Q. The region inside a closed curve is called the ______ of the curve.

1. interior
2. exterior
3. boundary
4. complexity

Q. Classify the given curves are (i) Open or (ii) Closed.

Q.

Q. The above figure is a closed curve.

1. True
2. False