Which correctly describes a cross section of the square pyramid? Select three options. A square pyramid with 2 foot sides.

A. A cross section parallel to the base is a square with side lengths of 2 ft.

B. A cross section parallel to the base is a square with side lengths of less than 2 ft.

C. A cross section perpendicular to the base through the top vertex is a triangle with the same dimensions as the triangular sides of the pyramid.

D. A cross section perpendicular to the base through the top vertex is a triangle with different dimensions than the triangular sides of the pyramid.

E. A cross section that is perpendicular to the base that does not pass through the top vertex of the pyramid is a trapezoid.