If EF is rotated about Point C then which of the following segment pairs do not have to be of equal length? A)EF and E'F'B)CF and CF'C)EC and E'CD)FF' and EE'

If EF is rotated about Point C then which of the following segment pairs do not have to be of equal length AEF and EFBCF and CFCEC and ECDFF and EE class=

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