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18 May, 00:05

Which transformation is not a rigid transformation?

A.

dilation

B.

reflection

C.

rotation

D.

translation

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Answers (2)
  1. 18 May, 02:06
    0
    Hello,

    A rigid transformation is an isometry which conserve length of segments.

    A dilation with a ratio≠1 or - 1 is not a isometry but a similarity.

    (length of segments are multiplied by the |ratio|.
  2. 18 May, 02:39
    0
    A. Dilation because a rigid transformation holds its shape
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