What is the definition of surface area?(1 point)

Responses

The amount of space inside a 3D object
The amount of space inside a 3D object

The length of a 3D object
The length of a 3D object

The total area of all the faces of a 3D object
The total area of all the faces of a 3D object

The volume of a 3D object

1 answer

The total area of all the faces of a 3D object.