WOLFRAM|DEMONSTRATIONS PROJECT

Angle Bisectors of Two Intersecting Lines

gray line

a

1

0.1

b

1

1

c

1

-7.

black line

a

2

-0.1

b

2

1

c

2

-8.6

This Demonstration plots the graphs of the equations of two lines in the form

a

1

x+

b

1

y+

c

1

=0

,

a

2

x+

b

2

y+

c

2

=0

, along with their two angle bisectors if the lines intersect.