(4-4) Solids of Revolution & Cross Sections

Front

What is the Axis of Revolution?

Back

The Axis of Revolution is a line around which a two-dimensional shape is rotated to create a three-dimensional solid.

Front

What is formed when a shape is rotated around an axis?

Back

A solid of revolution is formed when a two-dimensional shape is rotated around an axis.

Front

What is the height of a cylinder formed by rotating a rectangle with a height of 9?

Back

9

Front

What is a cross section?

Back

A cross section is the intersection of a solid and a plane, revealing the shape of the solid at that particular slice.

Front

What is the cross section of a cylinder?

Back

The cross section of a cylinder is a circle.

Front

What is the cross section of a rectangular prism?

Back

The cross section of a rectangular prism can be a rectangle or a square, depending on the slice.

Front

What is the cross section of a cone?

Back

The cross section of a cone can be a circle, ellipse, or triangle, depending on the angle of the slice.

Front

What is the cross section of a sphere?

Back

The cross section of a sphere is a circle.

Front

What is the cross section depicted here if it is an octagon?

Back

The cross section is an octagon.

Front

Which shape has a trapezoidal cross-section?

Back

A trapezoidal cross-section is found in shapes like a truncated cone or a prism with trapezoidal bases.