Question

find the surface area of a cube with side length of 5 units
5
25
150
750

Explanation:

Step1: Recall surface - area formula

$S = 6a^{2}$, where $a$ is side - length.

Step2: Substitute $a = 5$

$S=6\times5^{2}=6\times25 = 150$

Answer:

C. 150