Square The cross-section parallel to the base is a Rectangle Rectangular Prism Trapezoid The cross-section parallel to the base is a Square Triangle Square Pyramid Trapezoid Circle The cross-section parallel to the base is a Triangle Cylinder Rectangle The cross-section parallel to the base is a Triangle Rectangle Parallelogram The cross-section through the vertex perpendicular to the base is a Square Triangle Square Pyramid Trapezoid The cross-section perpendicular to the base but not through the vertex is a Square Triangle Square Pyramid Trapezoid The cross-section perpendicular to the base is a Square Rectangle Rectangular Prism Trapezoid The cross-section perpendicular to the base is a Circle Triangle Cylinder Rectangle The cross-section perpendicular to the base is a Triangle Trapezoid Rectangle Circle Oval (ellipse) Diagonal cross section of a cylinder. Rectangle |