Coordinates of the vertices
Calculate the coordinates of the vertices of a triangle if the equations of its sides are
7x-4y-1 = 0
x-2y + 7 = 0
2x + y + 4 = 0
7x-4y-1 = 0
x-2y + 7 = 0
2x + y + 4 = 0
Correct answer:
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