Rotations and Cross Sections

What shape will the horizontal cross-section of a sphere be?

• Dome

• Circle

• Ellipse

• Rectangle

What 3-D solid is formed when this rectangle is rotated about the vertical line?

• Right, rectangular prism

• Right, circular cylinder

• Right, oval cylinder

• Right, square prism

Describe the cross section.

• circle

• oval

• semi-circle

• trapezoid

Describe the cross section.

• trapezoid

• triangle

• rectangle

• square

Describe the cross section.

• triangle

• rectangle

• oval

• trapezoid

What cross sections might you see when a plane intersects a cone that you would not see when a plane intersects a pyramid or a prism?

• circle

• trapezoid

• rectangle

• trapezoid

Name the shape

• Cone

• Cylinder

• Octagonal Pyramid

• Sphere

Name the shape

• Cone

• Cylinder

• Sphere

• Circle

Which 2-D shape could be revolved about the vertical line to create the 3-D solid?

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Which 3-D solid is created when the rectangle is rotated about the horizontal line?

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