SOLUTION: what is the total surface of a cube is 78 square inches

Algebra ->  Surface-area -> SOLUTION: what is the total surface of a cube is 78 square inches      Log On


   

Question 323949: what is the total surface of a cube is 78 square inches
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
I think you're asking for the measure of the side of a cube with surface area of 78 sq. in.
A cube is made up of 6 faces, each a square of side s.
SA=6s%5E2=78
s%5E2=13
s=sqrt%2813%29 inches.