Answer:
P = 40.56 ft
Step-by-step explanation:
We have three sides of a rectangle, and a semicircle.
Three sides of a rectangle: 10ft + 8ft + 10ft = 28ft.
The circumference of a whole circle: C = π(8) = 8π ft.
The semicircle: 8π : 2 = 4π ft
Using π ≈ 3.14 → 4π ≈ (4)(3.14) = 12.56 ft
The perimeter of the figure: P = 28ft + 12.56ft = 40.56ft
