Answer:
24 units²
Step-by-step explanation:
Surface area of a cube = 6a² , where a = the side given
=> 6(2)²
=> 6(4)
=> 24 units²
Hope this helps!
2(length) x 2(width) = 4(area of 1 square),
4(area of one square) x 6(there are six sides of a cube) = 24 squared
