Respuesta :

Answer:

8

Step-by-step explanation:

1/2 x 4^2 = a

4^2= 16

1/2 of 16 = 8

Answer:

16

Step-by-step explanation:

Since the shape is a square, and one of the sides is 4, we can multiply it by 4 (because there are 4 sides in a square), and get 16