Answer:
The length of the sides is 7 In.
Explanation:
Given:
A cube has a surface area of 294 sq. In.
Now, to find the sides.
Let the side be

Putting the formula of area to get the length of side:


Dividing both sides by 6 we get:

Using square root on both sides we get:

Side = 7 In.
Therefore, the length of the sides is 7 In.