Answer:
The correct answer option is E. 54 square inches.
Step-by-step explanation:
We are given that the length of one edge of a cube is 3 inches long and we are to find its surface area.
We know that the formula of the surface area of a cube is given by:
[tex] Surface Area of Cube = 6 a^2 [/tex]
Substituting the given values in the above formula to get:
Surface area of cube [tex] = 6(3)^2 = [/tex] 54 square inches
