A triangle in quadrant IV has been rotated 90 counterclockwise around the origin. What do you know about the image and the pre- Image? 3 of 11 QUESTIC They are congruent and their corresponding sides and angles are equal. Their corresponding sides and angles are equal but they are not congruent. They are not congruent and their corresponding parts are not congruent. They are congruent but their corresponding sides and angles are not equal.