Describe the cross section.

How many faces, vertices, and edges do I have?

How many faces, vertices, and edges do I have? AND!!! What am I?

How many vertices does a pyramid have?

How many faces in this shape?

Which shape is 3D?

5 faces, 8 edges, 5 vertices

A student has a rectangular postcard that he folds in half lengthwise.  Next, he rotates it continuously about the folded edge.  Which three-dimensional object below is generated by this rotation?

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

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

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?

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?

If a rectangle is continuously rotated around one of its sides, what is the three-dimensional figure formed?

If an equilateral triangle is continuously rotated around one of its medians, which 3-dimensional object is generated?

An isosceles right triangle whose legs measure 6 is continuously rotated about one of its legs to form a three-dimensional object.  The three-dimensional object is a

Square MATH has a side length of 7 inches.  Which three-dimensional object will be formed by continuously rotating square MATH around side AT ?

Which three-dimensional figure will result when a rectangle 6 inches long and 5 inches wide is continuously rotated about the longer side?

In the diagram below, right triangle ABC has legs whose lengths are 4 and 6.What is the volume of the three-dimensional object formed by continuously rotating the right triangle around AB?

A rectangle whose length and width are 10 and 6, respectively, is shown below.  The rectangle is continuously rotated around a straight line to form an object whose volume is $$150\pi$$   . Which line could the rectangle be rotated around?

Triangle ABC, with vertices at ,A(0,0) B(3,5) C(0,5), and , is graphed on the set of axes shown below. Which figure is formed when  is rotated continuously about BC?

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?

A right cylinder is cut perpendicular to its base.  The shape of the cross section is a

The cross section of a regular pyramid contains the altitude of the pyramid.  The shape of this cross section is a

A plane intersects a hexagonal prism.  The plane is perpendicular to the base of the prism.  Which two-dimensional figure is the cross section of the plane intersecting the prism?

A two-dimensional cross section is taken of a three-dimensional object.  If this cross section is a triangle, what can not be the three-dimensional object?

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

         I.       cone

         II.     cylinder

         III.    cube

         IV.    square pyramid

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

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