Area of Triangle Defined by Lines Calculator

An Online calculator to calculate the area of a triangle defined by three lines as shown in the figure below.

A triangle defined by three lines

How to use the calculator

Enter the coefficients A, B and C involved in the equations of the lines defined by:

A x + B y + C = 0

and press "enter". The output is the area. In case the three lines do not form a triangle, for example if two of them are parallel, then the area is "undefined".

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