# Exploring concurrent lines from given surroundings

From Karnataka Open Educational Resources

Interactive activity to introduce concurrent lines using examples from our surroundings.

### Objectives

Introduce concurrent lines with examples from surroundings

### Estimated Time

10 minutes

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

The students should know types of lines and the concept of intersection.

### Materials/ Resources needed

- Digital : Computer, geogebra application, projector.
- Non digital : Paper and pencil

### Process (How to do the activity)

- The teacher can ask the students to explore from their surroundings to identify concurrent lines.
- She can elicit examples from edges of books, walls, pencil boxes, black board etc.

- Developmental Questions:

- What are lines ?
- What are line segments ?
- What are intersecting lines and non-intersecting lines ?
- What are parallel and non-parallel lines ?
- What are concurrent lines ?
- What concurrent lines do you identify from your surroundings?

- Evaluation:

- Are all types of lines concurrent ?
- Are parallel lines concurrent ?

- Question Corner:

- Differentiate between concurrent lines and collinear points.
- Give examples of concurrent lines from nature.