Answer:
the answer is 50
Step-by-step explanation:
180-130=50
It is not a function did I do good
Answer:
Radius:3.14
Circumference: 6.28
Step-by-step explanation:
C=2(pi)(r)
replace r with 1
and you get 6.28
R=(pi)(r)^2
Replace r with 1
multiply and you get 3.14