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 sphere?

Back

Circle.

Front

What is the result of rotating a rectangle around one of its sides?

Back

Right circular cylinder.

Front

What is the name of a 3D solid with two parallel hexagonal bases?

Back

Hexagonal Prism.

Front

What is a semi-circle?

Back

A semi-circle is half of a circle, formed by cutting a whole circle along its diameter.

Front

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

Back

Circle.

Front

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

Back

Triangle (if cut parallel to the base) or circle (if cut perpendicular to the base).

Front

What is a trapezoid?

Back

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

Front

What is the cross section of a cube?

Back

Square.

Front

What is the name of a 3D solid with a pentagonal base and five triangular faces?

Back

Pentagonal Pyramid.