# Concentric circles

From Karnataka Open Educational Resources

Drawing concentric circles, with this hands on activity circle as a shape and variations in it is explored.

### Objectives

The students learn that concentric circles are circles with same centre but different radii.

### Estimated Time

15 minutes

### Prerequisites/Instructions, prior preparations, if any

The students should have the skill of drawing circles accurately for given radius.

### Materials/ Resources needed

White paper, compass, pencil, colour pencils, scale

### Process (How to do the activity)

- What is the centre for differrent circles.

- Evaluation:

- Are the students able to understand that the centre is same for concentric circles.

- Question Corner:

- What are equal circles (congruent)?
- What determines the size of the circle ?
- Give examples for objects similar to concentric circles.