It is 180 degrees- hope this helps!
Answer: 11 degrees
Step-by-step explanation:
Volume = (4/3) * PI * r^3
Volume = (4/3) * 3.14159 * 10^3
Volume = (4/3) * 3.14159 * 1,000
Volume = 4,188.786666666666
Volume = 4,189 cubic feet
Biggest area for smallest perimiter is a circle
she has perimiter aka circumference=2pir
72=2pir
divide both sides by 2
36=pir
divid both sides by pi
11.4592=r
radius=11.4 feet
circle is biggest area