△def is rotated about point n to △d′e′f′ . which statements are true about the pre-image and image? select each correct answer. dn¯¯¯¯¯¯≅d′n′¯¯¯¯¯¯¯¯ the corresponding side lengths in the image and the pre-image are not equal. all corresponding points on the image and pre-image are equidistant to point n. the image is the same size and shape as the pre-image.

Two trains leave a station on different tracks. the tracks make an angle of 130°, with the station as a vertex. the first train travels 100 km and makes its first stop at point a, while the second train travels 200 km and makes it first stop at point b. how far apart are the trains when both are at their first stop? round the answer to the nearest integer. a) 65 km b) 139 km c) 224 km d) 275 km