Question

19) A closed box in the shape of a cube has a
total outer surface area of 150 cmWhat is
the length of its side in centimetres?​

Answer 1

Answer:

Total outer surface area = 150 sq cm no of sides for a cube= 6 Area of one side= 150 / 6

Answer 2

Answer:

5cm

Step-by-step explanation:

let the side of the cube be 'a' cm in length

TSA of cube = 6a^2 = 150

so,

6a^2 = 150

a^2 = 25

a =√25

a = 5cm