Question

What is the surface area of a rectangular prism if it has a width of 31, length of 46, and height of 7?

Answer 1

the sum of the sides area

Answer 2

A rectangular prism has 6 rectangular faces.
The total surface area is the sum of the areas of the 6 rectangular faces.

Answer 3

@Joclyn16
What is the area of a rectangle?

Answer 4

Length times width

Answer 5

Correct.
The rectangular prism has 6 faces.
You need to find the areas of the 6 faces and add them.
All the faces are rectangles.

Answer 6

You don't need to do 6 different multiplications because there are only 3 different rectangles.