Question

OKAY, 66% WE NEED AN 80! PLEASE HELP!

Answer 1

Hi again:

77 square millimetres

Explanation:

Have a good day :)

Answer 2

56 mm²

Explanation:

12 - 4 = 8

8 · 7 = 56

56 ÷ 2 = 28

28 mm²

28 mm² + 28 mm²

56 mm²