For two lines in the plane with endpoints and , the angle between them is given by
|
(1)
|
The angle
between two lines in the plane specified in trilinear
coordinates by
is given by
|
(4)
|
where
|
(5)
|
|
(6)
|
(Kimberling 1998, p. 31).
See also
Line-Line Distance,
Line-Line
Intersection,
Trilinear Line
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References
Kimberling, C. "Triangle Centers and Central Triangles." Congr. Numer. 129, 1-295, 1998.Referenced on Wolfram|Alpha
Line-Line Angle
Cite this as:
Weisstein, Eric W. "Line-Line Angle."
From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Line-LineAngle.html
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