Question

the perimeter of one face of a cube is 20cm total surface area

Answer 1

a=20cm
surface area of cube=6a^2
6*20*20=2400cm^2

Answer 2

Answer:

Step-by-step explanation:

Perimeter of cube = 4* side

20 = 4 * side

20/4 = side

5 = side

T. S. A of cube = 6 a^2

6*5*5

= 150 cm^ 2