Respuesta :

leibrandon1

Answer:

Hi again:

77 square millimetres

Step-by-step explanation:

Have a good day :)

akbusiness987

Answer:

56 mm²

Step-by-step explanation:

12 - 4 = 8

8 · 7 = 56

56 ÷ 2 = 28

28 mm²

28 mm² + 28 mm²

56 mm²