The truss bridge should depict a congruent triangle by having equal sides and angles.
It should be noted that the congruence of a triangle simply means that a triangle that has all the three corresponding sides to be equal.
In this case, after designing the truss bridge model, it's important that the sides of the model are equal. Also, the corresponding angles of the model have to be equal too.
Learn more about triangles on:
https://brainly.com/question/17335144