Question

find the surface area of a cube whose edge is 9 cm

Answer 1

Answer:

486cm^2

Step-by-step explanation:

surface area formula of cube = 6s^2    { s is side of cube}

= 6*(9)^2

= 6*(81)

= 486cm^2

Answer 2

Answer: 486 sq. cm

Step-by-step explanation:

Total Surface Area of Cube is 6l^2

Where l=9cm

So, TSA = 486 sq. cm