Answer:
Step-by-step explanation:
~
4,5*16=y
y=72
Answer: 37
9.82 feet
the perimeter of the window is the circumference of a semi-circle with a diameter of 5
P = (πd)/2 (divided in half because it's only half a circle)
P ≈ 3.14(3.5) which is approx 11
11 is closest to 9.82