A 270 degrees B 180 degrees C 90 degrees D 360 degrees Multi
A. 270 degrees
 B. 180 degrees
 C. 90 degrees
 D. 360 degrees
 Solution
Triangle ABC has been rotated 90 degree counterclockwise about the origin.
Therefore C is the correct answer.

Triangle ABC has been rotated 90 degree counterclockwise about the origin.
Therefore C is the correct answer.

