Respuesta :

Answer:

80

Step-by-step explanation:

20x20x20

Answer:

2400 cm^2.

Step-by-step explanation:

This looks like a cube so all 6 faces have the same area.

Each face is a square so the area of one face = 20 * 20 = 400.

The total surface area of the cube = 6 * 400

= 2400. cm^2.