Respuesta :

Answer:

16.81

Step-by-step explanation:

P = 4a.

then the length of a side is 16.4 /4 = 4.1.

A = a * a = 4.1 * 4.1 = 16.81

Answer:

45.1 cubic inches

Step-by-step explanation:

16.4 divided by 4 is 4.1 and 4.1 multiplied by 4.1 is 45.1.