Answer:
294
Explanation:
First, we can find the area of one of the cube's sides.
A = length × width
A(side) = 7 × 7
A(side) = 49
We know that a cube has 6 sides. Therefore, to get the surface area of the cube, we can multiply the area of 1 side by 6.
SA = A(side) × 6
SA = 49 × 6
SA = 294