Question

find the surface area of this cube. be sure to include the correct unit in your answer. 7 ft 7 ft 7 ft

Explanation:

Step1: Find area of one face

A cube's face is a square. Area of square: $A = s^2 = 7^2 = 49$ $\text{ft}^2$

Step2: Multiply by 6 (total faces)

Surface area = $6 \times \text{Area of one face}$
$6 \times 49 = 294$

Answer:

294 $\text{ft}^2$