Perpendicular Lines
Perpendicular Lines
Perpendicular Lines
If 2 lines are perpendicular, then the product of their gradient is −1.
If 2 lines are perpendicular, then the product of their gradient is −1.
m1 m2 = −1
Explore!
Explore!
Use the applet below to explore the relationship between the gradients of 2 perpendicular lines. Move point A and point B to manipulate the blue line.
Use the applet below to explore the relationship between the gradients of 2 perpendicular lines. Move point A and point B to manipulate the blue line.