The surface area of an ice cube is 54 cm2. (a) Calculate the area of one face of the ice cube. (b) What is the length of the faces of the ice cube?

Mchemraba una nyuso 6.

Eneo la uso mmoja = $\frac{\text{Eneo lote la uso}}{\text{Idadi ya nyuso}}$
Eneo la uso mmoja = $\frac{54 \text{ cm}^2}{6}$
Eneo la uso mmoja = $9 \text{ cm}^2$

Eneo la uso mmoja wa mchemraba wa barafu ni $\boxed{9 \text{ cm}^2}$.

Eneo la uso mmoja = $urefu^2$
$9 \text{ cm}^2 = urefu^2$

$urefu = \sqrt{9 \text{ cm}^2}$
$urefu = 3 \text{ cm}$

Urefu wa nyuso za mchemraba wa barafu ni $\boxed{3 \text{ cm}}$.