Question

(11) Find the total surface area of a cube with
side a 9cm​

Answer 1

Answer:

Hi friend

Hope this answer helps you

Step-by-step explanation:

ANSWER

Given, the side of a cube =9cm

The total surface area of cube =6×side

2

=6×9×9

=6×81

=486

∴ The total surface area of cube is 486cm

2

Answer 2

Answer:

486 cm^2.

Step-by-step explanation:

Given, the side of a cube =9cm

The total surface area of cube =6×side

2

=6×9×9

=6×81

=486

∴ The total surface area of cube is 486cm^2.