3D Figures

Front

What is a 3D figure?

Back

A 3D figure is a solid shape that has three dimensions: length, width, and height.

Front

Name a 3D figure that has a circular base and a single vertex.

Back

Cone

Front

What is the difference between a prism and a pyramid?

Back

A prism has two parallel bases that are congruent, while a pyramid has one base and triangular faces that meet at a single vertex.

Front

What shape is the base of a cylinder?

Back

Circle

Front

What is a cross-section?

Back

A cross-section is the shape that is revealed when a solid is cut through.

Front

What is the horizontal cross-section of a cylinder?

Back

Circle

Front

What 3D solid is formed by connecting the vertices of a triangle to a single point?

Back

Triangular Pyramid

Front

What is the base shape of a triangular prism?

Back

Triangle

Front

What is the volume formula for a sphere?

Back

Volume = (4/3)πr³, where r is the radius.

Front

What is the surface area formula for a cylinder?

Back

Surface Area = 2πr(h + r), where r is the radius and h is the height.