3D Objects and Cross Sections

Select ALL of the following that can be created by rotating the following 2D object on any of the axes shown.

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Describe the cross section.

• rectangle

• trapezoid

• oval

• parallelogram

Describe the cross section.

• triangle

• rectangle

• trapezoid

• square

Is it possible for a cross section of a cylinder to have a triangular shape?

• yes

• no

• sometimes

A cylinder is cut parallel to the base. What is the shape of the cross-section formed?

• Circle

• Rectangle

• Triangle

• Trapezoid

A cone is cut by a plane that is perpendicular to its base. Which of the following could be the shape of the cross-section formed?

• Circle

• Triangle

• Rectangle

• Trapezoid

Which figure describes the two-dimensional cross section?

• triangle

• rectangle

• pentagon

• hexagon

The cross-section of a 3D figure is shaped like a circle. Which could NOT have been the 3D figure?

• Sphere

• Pyramid

• Cylinder

• Cone

Which shape is NOT a cross section of a cone?

• Parabola

• Ellipse

• Circle

• Square

• cone

• cylinder

• pyramid

• prism