Topic 3 Presentation of Educational Material

Duration: 5-10’ [Subject: A Gymnasium (A3.5)]

Analysis of Theorem: From a point outside the straight line there is a unique perpendicular to the straight line.

The distance of a point from a line is equal to the length of the line segment starting from the point and perpendicular to the line.

Construction of the unique perpendicular using the mathematical tools
Practice the correct use of mathematical triangle or ruler