Centre of a circle

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All points on a circle are at fixed distance from a point, which is the center of a circle.

Radius.jpg

Objectives

  1. Centre is that fixed point in the circle from which all points are at equal distance.
  2. Give examples for circles
  3. A circle is drawn using centre as a reference point.

Estimated Time

20 minutes

Prerequisites/Instructions, prior preparations, if any

Prior knowledge of points, lines, line segments.

Materials/ Resources needed

Non digital: Colored papers, compass, pencil, scale and scissors.

Process (How to do the activity)

  1. How to mark the centre of a circle ?
  2. How do you label it ?
  3. How do you draw a circle ?
  • Evaluation
  1. How many centres does a circle have?
  2. Where does the centre of the circle lie? (inside/outside)
  1. Can a circle be drawn without locating its centre ?