Cross Sections of 3-D Figures

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

• Dome

• Circle

• Ellipse

• Rectangle

William is drawing pictures of cross sections of the right circular cone above.

Which drawing can not be a cross section of a cone?

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Describe the cross section.

• rectangle

• trapezoid

• oval

• parallelogram

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

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• 

Describe the cross section.

• triangle

• rectangle

• oval

• trapezoid

Describe the cross section.

• rectangle

• square

• parallelogram

• circle

When this is rotated, what is the radius of the cone that is formed?

• 3

• 4

• 6

• 8

When this is rotated, what is the height of the cylinder formed?

• 2

• 4

• 8

• 9

When this is rotated, what is the height of the cone that is formed?

• 2

• 5

• 4

• 10

When this is rotate what is the radius of the cylinder that is formed?

• 3

• 6

• 8

• 12