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Class: IV Sub: Maths TOPIC: CARTS AND WHEELS Prepared by :Mr A.K. Pathak.

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Presentation on theme: "Class: IV Sub: Maths TOPIC: CARTS AND WHEELS Prepared by :Mr A.K. Pathak."— Presentation transcript:

1 Class: IV Sub: Maths TOPIC: CARTS AND WHEELS Prepared by :Mr A.K. Pathak

2 We can find many such round things around us

3 We can trace a circle with the help of these things

4 Big circle Small circle

5 Properties of Circle O Diameter Radius Chord

6 Centre Centre: Each point of a circle is at equal distance from a fixed point. The fixed point is called the centre of the circle. Centre is in the interior part of the circle but centre is not a part of a circle.

7 Radius The distance from the centre to any point on the circle is called the radius of the circle.

8 Diameter A line segment passing through the centre and whose end points are on the circle is called the diameter of the circle.

9 Chord A line segment whose end points are on circle is called a chord. Diameter is a longest chord of the circle.

10 Circumference The length of a circle is called a circumference.

11 Assessment Fill in the blanks is not a part of a circle. 2. Centre lies in the part of a circle. 3. Diameter of a circle is of the radius of the circle is half of its diameter.

12 Thanking you


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