Cross Sections

What is a cross section?

• A 2-D view of a 3-D shape

• A 2-D view of a 2-D shape

• A 3-D view of a 2-D shape

What shape will the horizontal (parallel) cross-section of a cone be?

• Dome
• Circle
• Pyramid
• Triangle

What shape will the vertical (perpendicular) cross -section of a cylinder be?

• Circle
• Triangle
• Rectangle
• Ellipse

What shape will the vertical (perpendicular) cross-section of a cube be?

• Square
• Triangle
• Trapezoid
• Circle

A triangular prism is shown. What shape does this perpendicular-to-base cross section make?

• Rectangle

• Circle

• Triangle

• Square

A triangular prism is shown What shape does this cross section perpendicular to the base make?

• Rectangle
• Circle
• Triangle
• Square

Describe the cross section of this triangular pyramid cut p

• triangle

• rectangle

• trapezoid

• square

Describe the cross section of this cone

• circle
• oval
• semi-circle
• trapezoid

What would result from slicing a rectangular pyramid perpendicular to the base?

• Circle
• Square
• Rectangle
• Triangle

What would result from slicing a rectangular pyramid parallel to the base?

• Circle
• Square
• Rectangle
• Triangle