The figure shows triangle mno and some of its transformed images on a coordinate grid: a coordinate grid is shown from positive 8 to negative 8 on the x-axis and from positive 8 to negative 8 on the y-axis. a triangle labeled mno is shown on ordered pair 2, 1 and 2, 4 and 4, 1. another triangle labeled image d is shown on ordered pair 2, negative 1 and 2, negative 4 and 4, negative 1. another triangle labeled image c is shown on ordered pair negative 2, negative 1 and negative 2, negative 4 and negative 4, negative 1. another triangle labeled image b is shown on ordered pair negative 6, 1 and negative 6, 4 and negative 4, 1. another triangle labeled image a is shown on ordered pair negative 2, 1 and negative 2, 4 and negative 4, 1. which of the four triangles was formed by a translation of triangle mno? a b c d