Respuesta :
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.
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.