1. A rectangular pyramid is sliced so the cross section is parallel to its base.
What is the shape of the cross section?
Options: triangle, pentagon, trapezoid, rectangle
2. A cone is sliced so the cross section is perpendicular to its base and passes through its vertex.
What is the shape of the cross section?
Options: circle, rectangle, trapezoid, triangle
3. What is the area of a cross section that is parallel to face BFGC?
