Answer:
feet, or 14.14 feet
Step-by-step explanation:
Use the arc length formula:
s = rθ
To use the formula, we have to convert the central angle to radians.
90° is equivalent to
radians, so plug this and the radius into the formula:
s = rθ
s = (9)(
)
s = 
So, the length of the arc is
feet, or approximately 14.14 feet
Answer:
this some sortof point tranfer
Step-by-step explanation:
2.5x + 4x = 39
6.5x = 39
x = 39 / 6.5
x = 6
The answer is 474 i believe