P’ is called the image of the point P in the line AB, called axis of reflection. … We also say that on reflection in the line AB, the point P is mapped onto P’. Clearly, AB is the perpendicular bisector of the line segment PP’, and P and P’ are on the opposite sides of AB.

In plane geometry, Reflection across any line is defined by moving each point perpendicularly across a straight line (known as the Axis of Reflection), as far into the other side of the given axis, as the distance from the original point to the axis of reflection.

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Answer:## P’

P’ is called the image of the point P in the line AB, called axis of reflection. … We also say that on reflection in the line AB, the point P is mapped onto P’. Clearly, AB is the perpendicular bisector of the line segment PP’, and P and P’ are on the opposite sides of AB.

Answer:In plane geometry, Reflection across any line is defined by moving each point perpendicularly across a straight line (known as the Axis of Reflection), as far into the other side of the given axis, as the distance from the original point to the axis of reflection.