Calculus 2 Solids of Revolution

Which of the following two dimensional cross sections are circles? Select all that apply.

• Any cross section of a sphere

• Horizontal cross section of a cube

• Cross section of a cone parallel to the base

• Cross section of a cone perpendicular to the base

• Cross section of a right cylinder parallel to its base

Describe the cross section.

• circle

• oval

• semi-circle

• trapezoid

Identify the cross section.

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Describe the cross section.

• triangle

• rectangle

• oval

• trapezoid

Select the 2D object that can be rotated to form the 3D object shown.

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Which 3D shape will be formed if the semi-circle is rotated around axis E?

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Select ALL of the 2D objects that when rotated will create the 3D object.

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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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Rectangle is rotated @ x-axis

What geometric figure is formed?

Submit 1 word (small letters)