Cross sections/ Rotations

If the rectangle below is continuously rotated about side w, which solid figure is formed?

 

• pyramid

• rectangular prism

• cone

• cylinder

Tags

CCSS.7.G.A.3

Which object is formed when right triangle RST shown below is rotated around leg RS?

• a pyramid with a square base

• an isosceles triangle

• a right triangle

• a cone

Tags

CCSS.7.G.A.3

Triangle ABC represents a metal flag on pole AD, as shown in the accompanying diagram. On a windy day the triangle spins around the pole so fast that it looks like a three-dimensional shape.

 

 

Which shape would the spinning flag create?

• sphere

• pyramid

• right circular cylinder

• cone

Tags

CCSS.7.G.A.3

Circle O is centered at the origin.  In the diagram below, a quarter of circle O is graphed. Which three-dimensional figure is generated when the quarter circle is continuously rotated about the y-axis?

• cone

• sphere

• cylinder

• hemisphere

Tags

CCSS.7.G.A.3

Which figure(s) below can have a triangle as a two-dimensional cross section?

         I.       cone

         II.     cylinder

         III.    cube

         IV.    square pyramid

• I, only

• IV, only

• I, II, and IV, only

• I, III, and IV, only

Tags

CCSS.7.G.A.3

Which figure can have the same cross section as a sphere?

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• 
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Tags

CCSS.7.G.A.3

William is drawing pictures of cross sections of the right circular cone below. Which drawing can not be a cross section of a cone?

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• 
• 
• 

Tags

CCSS.7.G.A.3

What 3D solid is this?

• Triangular Prism

• Triangle

• Sphere

• Cone

Tags

CCSS.1.G.A.1

CCSS.2.G.A.1

A right hexagonal prism is shown below. A two-dimensional cross section that is perpendicular to the base is taken from the prism.

Which figure describes the two-dimensional cross section?

• triangle

• rectangle

• pentagon

• hexagon

Tags

CCSS.7.G.A.3

Rotating this circle around the diameter creates a ____________.

• pyramid

• sphere

• cylinder

• cone

Tags

CCSS.7.G.A.3