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Class: IV Sub: Maths TOPIC: CARTS AND WHEELS

Class: IV Sub: Maths TOPIC: CARTS AND WHEELS. Prepared by :Mr A.K. Pathak. We can find many such round things around us. We can trace a circle with the help of these things. Small circle. Big circle. Properties of Circle. O. Diameter. Chord. Radius. Centre.

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Class: IV Sub: Maths TOPIC: CARTS AND WHEELS

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  1. Class: IV Sub: MathsTOPIC: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. Small circle Big circle

  5. Properties of Circle O Diameter Chord Radius

  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 1. -------- 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. 4. ------------ of the circle is half of its diameter.

  12. Thanking you

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