What is the surface area of the rectangular prism? 198 in² 312 in² 396 in² 504 in² rectangular prism with length labeled 7 inches, width labeled 6 inches, and height labeled 12 inches

There are 6 faces in a rectangular prism. Each fo them are paired with another one with the same area.

1st type of face:

7*6=42

42*2=84 (because there are 2 of each face)

2nd type of face:

7*12=84

84*2=168

3rd type of face:

6*12=72

72*2=144

Add them all up:

84+168+144=396

The surface area is 396 square inches

Good luck!