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Which of the following transformations shows that figure C is congruent to figure C'?
A. reflection in the x-axis
B. rotation 90 counterclockwise about the origin
C. rotation 180 counterclockwise about the origin
D. rotation 270 counterclockwise about the origin

D. rotation 270 counterclockwise about the origin

Explanation:

Reflection is invalid because the new figure has changed its direction.

Let's resort to the rotation then.

If you were to rotate the figure by 90° the figure counterclockwise, the figure would land on the second quadrant which is where figure C' is not in. The same case if you were to rotate it 180°.

So rotating it 270° counterclockwise would only result to that new figure.

the answer is 0.071

good luck! : d