Question

Calculate the surface area of a cube when the length of a side a = 15cm.
Surface area = 6a^2​

Answer 1

Answer:

$\boxed{ \sf 1350 \ cm^2}$

Step-by-step explanation:

Surface area of a cube = 6a²

a = side length

The side length is given 15 cm.

$6(15)^2$

$6(225)$

$1350$

The surface area of the cube is 1350 cm².

Answer 2

The surface area of the cube is 1350cm^2