Cross Sections and 2D & 3D figure

What are the dimensions of the vertical cross section of the right rectangular prism?

• 12 x 1

• 1 x 5

Which best describes the horizontal cross section and its dimensions?

• The horizontal cross section is a square. The dimensions are the length of the prism from front to back and the width.

• The horizontal cross section is a rectangle. The dimensions are the width and height of the prism.

• The horizontal cross section is a rectangle. The dimensions are the length of the prism from front to back and the width.

The horizontal cross section has the shape and dimensions as which sides of the right rectangular prism? Select all that apply.

• Front Face

• Bottom Face

• Right Face

• Left Face

• Top Face

What are the dimensions?

• 6 x 1

• 6 x 10

• 10 x 1

Which dimensions COULD SHOW the cross section?

• 30 x 25

• 36 x 30

• 6 x 5

How do I get a cross section?

• By splitting a shape in half.

• By slicing a shape with a plane diagonally.

• By slicing a shape with a plane horizontally.

• By slicing a shape with a plane vertically.

The base of a rectangular pyramid has a length of 12 m and a width of 10 m. The height of the pyramid is 29 m. Describe the cross section formed by a horizontal plane that intersects the faces halfway up.

• The cross section is a rectangle with length and width less than the width and length of the base.

• The cross section is an equilateral triangle with side length equal to the length of the base of the pyramid.

• The cross section is an isosceles triangle with base length and height equal to the base and height of the pyramid.

• The cross section is a rectangle length and width equal to the width and length of the base.

Describe the cross section formed by a vertical plane slicing through a pyramid, but not through the vertex.

• A square with side lengths less than the side length of the base of the pyramid.

• A square with side lengths equal to the side length of the base of the pyramid.

• An isosceles triangle with height less than the height of the pyramid.

• An isosceles triangle with height greater than the height of the pyramid.

A game maker asks his assistant to sketch a game piece that is a regular 4 sided polygon with side length 9 units. Which piece correctly describes what the game maker wants?

• Square

• Rectangle

• Triangle

• Trapezoid