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lesantik [10]
3 years ago
9

Complete the statement: In a glide reflection, the direction of the ______ must be parallel to the line of reflection.

Mathematics
1 answer:
8090 [49]3 years ago
8 0
<span>The correct option is "translation"
In geometry, a glide reflection is a type of isometry of the Euclidean plane: the combination of a reflection in a line and a translation along that line. Reversing the order of combining gives the same result. Depending on context, we may consider a reflection a special case, where the translation vector is the zero vector. The combination of a reflection in a line and a translation in a perpendicular direction is a reflection in a parallel line. However, a glide reflection cannot be reduced like that. Thus the effect of a reflection combined with any translation is a glide reflection, with as special case just a reflection.</span>
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