Question

If the square pyramid shown above is sliced by a plane that is parallel to the base, which of the following is the most specific description of the cross-section of the pyramid? A. rectangle B. triangle C. isosceles triangle D. square

Answer 1

D. Square is the correct answer.

Answer 2

The cross-section of a square pyramid will be a square.  The section above the cross-section taken will basically be a similar but smaller square pyramid.  D is the correct answer.