To find the coordinates of vertex A' after reflecting triangle ABC over a vertical line of reflection, you'll need to know the coordinates of vertex A and the equation of the line of reflection.
Assuming the vertical line of reflection is at x = k, the reflection of any point (x, y) over this line would be calculated using the formula: \[ (x', y') = (2k - x, y) \] where \( (x', y') \) are the coordinates of the reflected point.
If you provide the coordinates of vertex A and the line of reflection (or the location of points B and B' which can help deduce it), I'd be able to calculate the coordinates of A' for you. Please provide the required details.
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