Open and Closed Figures - Class VI
Learn about open and closed curves, identify them in everyday objects, and understand their basic properties including endpoints and how shapes like circles, triangles, and rectangles are examples of closed curves.
Questions
Which of the following alphabet represents a closed curve?
- U
- R
- C
- O
Instruments used to draw circle
- scale and setsquare
- scale and protractor
- scale and compass
- scale
When you draw without lifting your pencil or pen on a paper you get?
- Plane curve
- Plane shadow
- 3-dimension
- Line
The curve that crosses .................. is not a simple closed curve.
- other
- itself
- curves
- All of the above
A curve which has 2 end points is called an .....................
- closed curve
- simple curve
- open curve
- None of the above
Which of these is an example of an open curve?
- Circle
- Triangle
- A line segment
- Pentagon
A closed curve has no ....................
- joints
- starting points
- end points
- All of the above
State whether the following statements are true of false
Circles with same radii are equal
- True
- False
A circle divides a plane in which it lies including itself in :
- 2 parts
- 3 parts
- 4 parts
- 5 parts
A curve which begins and ends at the same point is called a:
- closed curve
- open curve
- normal curve
- definite curve
..................... are examples of simple closed curve.
- Circle
- Rectangle
- Square
- All of the above
What is a curve?
- A line which is not straight and does not any sharp edges.
- It is a polygon
- It is a quadrilateral
- A line with sharp edges.