Solids of Rotation

Which one doesn't belong?

• A - Slinky

• B - Tube

• C - Top of Building

• D - Rubik's Cube

A semi-circle with points A and B is shown. When the semi-circle is rotated about the side AB, which of the following three-dimensional figures is created?

• cone

• cylinder

• cube

• sphere

Tags

CCSS.7.G.A.3

This revolving door creates what shape by rotating a rectangle?

• Sphere

• Cylinder

• Rectangular Pyramid

• Cone

The right triangle as shows is rotated $360\degree$ about the  $y-axis$ in three dimensions. What is the 3-Dimensional solid resulting from the rotation?

• cone

• cylinder

• pyramid

• prism

Tags

CCSS.7.G.A.3

A rectangle and a horizontal line segment are shown. What is the resulting object when the rectangle is rotated around the horizontal line segment?

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Tags

CCSS.7.G.A.3

What you just explored were "solids of revolutions" - solids that are formed by rotating a two dimensional shape around an axis. Doing this produces solids like the ones you listed above. What is a solid that could NOT be produced by rotation?

• Basketball

• Ice Cream Cone

• Pringles Can

• Trash Can

• Box of Cards