Answer:
Radius is 2.
2πr= 4π
r=4π/2π
r=2
Answer: 9 (2x + 1)
Step-by-step explanation: i hope i helped
Step-by-step explanation:
a+x+p+8 =r
(to solve isolate x)
x=r-(a+p+8)
x= r-a-p-8