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Mathematics 9 Online
OpenStudy (anonymous):

Which of the following statements is true. -The composition of 3 rotations is an opposite isometry. -A translation is equivalent to 3 line reflections -The composition of 3 line reflections is an opposite isometry.

OpenStudy (anonymous):

isometry has no sign ! what means that?

OpenStudy (anonymous):

It's not supposed to have a sign?

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