2D 3D shapes 3

Front

What is a 2D shape?

Back

A shape that has only two dimensions: length and width, such as a circle or square.

Front

What is a 3D shape?

Back

A shape that has three dimensions: length, width, and height, such as a cube or sphere.

Front

What is the name of a 3D shape with a circular base that tapers to a point?

Back

Cone.

Front

What is the name of a 3D shape with two parallel circular bases?

Back

Cylinder.

Front

How many edges does a cube have?

Back

12 edges.

Front

How many faces does a sphere have?

Back

0 faces; a sphere is a continuous surface.

Front

What is the name of a 3D shape that has 6 square faces?

Back

Cube.

Front

What is the difference between a circle and a sphere?

Back

A circle is a 2D shape, while a sphere is a 3D shape.

Front

What is the formula for the volume of a cylinder?

Back

Volume = πr²h, where r is the radius and h is the height.

Front

What is the formula for the surface area of a cube?

Back

Surface Area = 6a², where a is the length of a side.