I need help to Simplify please Thanks in advance

1

Step-by-step explanation:

(2/3)² : (1/2)² - 5/9 = (solve the square first)

(2²/3²) : (1²/2²) - 5/9 =

(4/9) : (1/4) - 5/9 = (in algebra we do Divide first)

(4/9) x (4/1) - 5/9 =

16/9 - 5/9 =

(16-5)/9 =

9/9 =

1

24.112 m

Step-by-step explanation:

All that needs to be done is add the 3 numbers because you only want the perimeter of the shape and each number is each side of the shape. I hope this helps.