The coordinates of the vertices of △abc are a(1, 1) , b(5, 1) , and c(5, 3) . the coordinates of the vertices of △a′b′c′ are a′(−1, −1) , b′(−5, −1) , and c′(−5, −3) . which statement correctly describes the relationship between △abc and △a′b′c′ ? △abc is not congruent to △a′b′c′ because there is no sequence of rigid motions that maps △abc to △a′b′c′. △abc is congruent to △a′b′c′ because you can map △abc to △a′b′c′ using a rotation of 180° about the origin, which is a rigid motion. △abc is congruent to △a′b′c′ because you can map △abc to △a′b′c′ using a translation 2 units to the left and 2 units down, which is a rigid motion. △abc is congruent to △a′b′c′ because you can map △abc to △a′b′c′ using a reflection across the y-axis, which is a rigid motion.