Answer
→→→Cube
In a cube, all the faces which is parallel or perpendicular to one of the faces are congruent to one another.
Why, not Cuboid because in a cuboid , out of 6 faces , 3 pairs of opposite faces are congruent to one another.
→→→→So, out of all cross sectional shapes that are parallel or perpendicular to one of the bases of a Cube, are also congruent to one another
