Taking test ! a triangular peak on a backyard shed is trimmed with 3 pieces of 4 ft. molding. the next door neighbor decides to use 12 ft. of molding to add a decorative triangle to his shed. are the two triangles congruent? justify your answer. a) yes; both owners are using 12 linear feet of molding. eliminate b) yes; since both triangles have 3 sides, they are similar and congruent. c) yes; twelve feet divided by 3 sides always gives 4 feet for each side length. d) not necessarily; the sides of the neighbor's triangles could have different side lengths such as 3, 4, and 5.