Question

A sequence of transformations is described below.

•A dilation about a point PPPP
•A rotation about another point QQQQ
•A reflection over the line PQ←→

Which of the following must be preserved under this sequence of transformations?





Please choose from one of the following options.

Angle measures only



Segment lengths only



Both angle measures and segment lengths



Neither angle measures nor segment lengths

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Answer 1

All the transformations types mentioned don't affect segment lengths, so the correct answer is that they affect angle measures only.