SL AI – Line bisectors

Perpendicular Bisectors

Move the coordinates of A and B around. The orange line is theĀ perpendicular lineĀ to the one through A and B. Write down the gradient of the black and the orange lines and then multiply them together.
What do you notice?

Teacher Resources

Perpendicular Lines

Finding the relationship between lines and their perpendiculars – all about the gradient.
Edited with love by Ilona

Perpendicular Lines - Google Slides

Google slides to find perpendicular line equations. This lesson uses the Geogebra App used above.