Rotations 90,180, 270 Rotate 90 Clockwise about the Origin (Same as 270 Counterclockwise) Change the sign of x and switch the order Rotate 90° clockwise about the origin Rotate 90° clockwise about the origin Rotate 90 Counterclockwise about the Origin (Same as 270 Clockwise) ...
As you might also guess from the above question, if you are asked to rotate an object on the ACT, it will be at an angle of 90 degrees or 180 degrees (or, more rarely, 270 degrees). These are nice numbers that evenly divide the coordinate plane into four parts, and each of these ...