Question

A square pyramid is sliced so that the cross section is perpendicular to its base. The cross section intersects the vertex of the pyramid.
What is the shape of the cross section?

trapzoid

triangle

square

pentagon

Answer 1

The cross section of the shape is a triangle. 

So B.triangle should be your answer

Hoped this helped :D

Answer 2

Answer:

Slicing a right pyramid exactly through the tip creates a triangle, and

if we don't slice the pyramid through the tip, we create a trapezoid.