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Pavlova-9 [17]
2 years ago
15

The reflection of a point P across a line m is the

Mathematics
1 answer:
masya89 [10]2 years ago
4 0

Answers:  perpendicular bisector;  image

  • The reflection of a point P across a line m is the point P' if line m is the <u>   perpendicular bisector    </u> of segment PP'
  • Point P' is called the <u>     image    </u> of point P.

=============================================================

Explanation:

If we were to reflect point P over line m to land on P', then we've gone from pre-image to image.

Let's say that Q is the point on segment PP' and it's also on line m. We consider Q the midpoint of segment PP' which means PQ and P'Q are the same length. This indicates P and P' are the same distance away from the mirror line, and that point Q bisects segment PP'. Also, line m is perpendicular to segment PP'. So that's where the "perpendicular bisector" comes from.

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