Intersection of two lines

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Objectives

To verify vertical opposite angles are equal

Estimated Time

20 minutes

Prerequisites/Instructions, prior preparations, if any

Knowledge about point, line, angle

Materials/ Resources needed

Digital: Click here to open the file

Non-digital: Paper, pencil, ruler, compass, protractor

Process (How to do the activity)


Download this geogebra file from this link.

Procedure :

  1. What are intersecting lines?
  2. Identify two lines cross each other in a plane i.e. lines 'g' and 'f' intersect at point 'A'
  3. Identify intersecting lines (two or more) meet only at one point always and also can cross each other at common vertex (which is the point of intersection).
  4. Identify the angles formed at common vertex 'A'
  5. Identify two pairs of opposite angles

Evaluation at the end of the activity

Can two lines cross at two points?

Go back - click here