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