Construction of Circle


 
 
Concept Explanation
 

Construction of Circle

Construction of Circle:

Suppose we want to draw a circle of radius 3cm. We need  to use our compasses. Here are the steps to follow.

(Diagram Required)

Step1: Open the compasses for the required radius of 3cm.

Step2: Mark a point with a Sharp pencil where we want the centre of the circle to be. Name it as O.

Step3: Place the pointer of the compasses on O.

Step4: Turn the compasses slowly to draw the circle. Be careful to complete the movement around in one instant.

 

Sample Questions
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Question : 1

Arrange the following Steps in a Correct manner:

1. Place the pointer of compasses on O.

2. Mark a point 'O' with a pencil where we want the centre of the circle.

3. Turn the compass slowly to draw the circle.

4. Open the compasses for the required radius of 3.2 cm.

Right Option : C
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Explanation
Question : 2

The instrument used to draw a circle of given radius is __________________ .

Right Option : A
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Explanation
Question : 3

To Construct  a Circle with centre A and radius 7.4 cm , Arrange  the Following  Steps in a Correct manner:

1.  Place the pointer of the Compass on point A.

2. Turn the Compass around the point A , to get the required circle. 

3. Mark a point A with a pencil and consider it as centre of the circle.

4. Open the Compass by placing it against a ruler for the required radius of 7.4 cm.

Right Option : D
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Explanation


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