Question

The surface area of a cude can be found'

with the formula A = 6s?. Ifs
= 9 cm,
what is the surface area of the cube?

Answer 1

Given : Surface area of a cube can be found with the formula :

⊕ A = 6s²

Given : s = 9 cm

⇒ Surface area of the cube = 6(9 cm)²

⇒ Surface area of the cube = (6 × 81) cm²

⇒ Surface area of the cube = 486 cm²

Answer : 486 cm squared