Identify the cross section shown.

a. rectangle
b. circle
c. trapezoid
d. pentagon

Option : a is the correct answer.

            a.  rectangle.

From the figure that is provided to us we see that the cross-section is in the shape of a quadrilateral such that it has two pair of parallel sides.

b)

          circle

A circle does not have any edge or sides.

Hence, option: b is incorrect.

c)

           Trapezoid

A trapezoid is a quadrilateral with one pair of parallel sides and one pair of unparallel sides.

Hence, option: c is incorrect.

d)

             Pentagon

A pentagon is a polygon with 5 sides.

Hence, option: d is incorrect.

      Hence, the best possible answer is:

              Rectangle

(-5,-28)

i graphed to on desmos.