You are using a browser not supported by the Wolfram Cloud
Supported browsers include recent versions of Chrome, Edge, Firefox and Safari.
I understand and wish to continue anyway »
WOLFRAM NOTEBOOK
Measure of the Angle between Two Straight Lines
Measure of the Angle between Two Straight Lines
The angle between the two lines is given by .
θ=β-α
Let and be the equations of two lines in the plane, with and the slopes of the lines. The angle between them is given by
y=x+
m
1
b
1
y=x+
m
2
b
2
m
1
m
2
θ
θ=-
-1
tan
m
1
m
2
1+
m
1
m
2