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Mathematics 15 Online
OpenStudy (max1409):

Kim performed a transformation on triangle ABC to create triangle A'B'C', as shown in the figure below:

OpenStudy (max1409):

OpenStudy (max1409):

What transformation did Kim perform to create triangle A'B'C'? Reflection across the x‐axis Rotation of 270 degrees counterclockwise about the origin Reflection across the y‐axis Rotation of 90 degrees counterclockwise about the origin

OpenStudy (max1409):

@steve816 last one please

OpenStudy (max1409):

?

OpenStudy (anonymous):

it cant be C, because neither shape is on the y-axis, and it cant be A, because reflections are always facing each other, and 90 degrees is too short of a turn, so by process of elimination, it must be B.

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