If a triangle △DEF is first transformed by and then the resu...

Question

If a triangle △DEF is first transformed by and then the resulting triangle △D'E'F' is transformed by , what is the relationship between the original triangle △DEF and the final triangle △D''E''F''?

Options

A

△D''E''F'' is a triangle obtained by rotating △DEF by about the origin.

B

△DEF and △D''E''F'' coincide.

C

△D''E''F'' is the reflection of △DEF across the line .

D

△D''E''F'' is the reflection of △DEF across the -axis.

Geometry

Question

Options

Answer & Analysis

Answer

Analysis

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