Subject: Optional Mathematics

In reflection, the line joining the object and the image is perpendicular to the mirror line. It means the mirror line is perpendicular bisector of the line segment joining object and image. The mirror line is also called the axis of reflection.

Learn MoreA translation is the displacement of a geometrical figure so that its position relative to fixed axes is changed, but not its orientation, size and shape. In translation, every point in the object is moved in the same direction and the same distance. Similarly, the directed line segment which is used for translating an object is called the translation vector.

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