Answer:
1 would be 10%, but a proportion is a ratio, as in this case 10/100 = 1/10= . 1, but 10% is not a ratio in of itself, but is a proportion of 100. % means OF one hundred. A proportion is a number TO another number.
Step-by-step explanation:
≈39.95
A Area
127
d
r
C
A
Using the formulas
A=πr2
C=2πr
Solving forC
C=2πA=2·π·127≈39.94908
1 kilometer