Cross Sections and Rotations

Front

What is a cross section?

Back

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

Front

What shape is formed by the cross section of a triangular prism?

Back

Triangle

Front

What is the shape of the cross section of a cylinder when cut parallel to its base?

Back

Circle

Front

What 3-D solid is formed when a rectangle is rotated about a horizontal line?

Back

Right circular cylinder.

Front

What is the shape of the cross section of a rectangular prism?

Back

Rectangle

Front

What is a cube?

Back

A cube is a three-dimensional solid object with six equal square faces.

Front

What is the shape of the cross section of a cone?

Back

Circle or triangle, depending on the cut.

Front

What 3-D solid is created when a rectangle is rotated about a vertical line?

Back

Right circular cylinder.

Front

What is the cross section of a sphere?

Back

Circle.

Front

What is a trapezoid?

Back

A trapezoid is a four-sided figure (quadrilateral) with at least one pair of parallel sides.