Question

3 cm
find the surface area of this cube.
18 sq cm
36 sq cm
54 sq cm
60 sq cm

Explanation:

Step1: Find area of one face

$\text{Area of 1 face} = 3 \times 3 = 9 \text{ sq cm}$

Step2: Multiply by 6 (cube has 6 faces)

$\text{Total surface area} = 6 \times 9 = 54 \text{ sq cm}$

Answer:

C. 54 sq cm