8.3 Cross Sections and Rotations

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

What is the name of this 3D solid?

• Triangular Prism
• Triangular Pyramid
• Square Prism
• Square Pyramid 

Name the shape

• Cone

• Cylinder

• Octagonal Pyramid

• Sphere

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

• Dome
• Circle
• Ellipse
• Rectangle

Describe the cross section.

• trapezoid
• triangle
• rectangle
• square

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

• Pyramid

• Cylinder

• Cone

• Prism

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

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

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