Question

the present shown below is a cube. find the surface area of the present. cm²

Explanation:

Step1: Recall surface - area formula for cube

$S = 6a^{2}$ (where $a$ is side - length)

Step2: Identify side - length value

$a = 30$ cm

Step3: Substitute value into formula

$S=6\times30^{2}=6\times900 = 3600$ $cm^{2}$

Answer:

3600