Well, ....... X=57/2 or 28.5 but not are equivalent
Answer:
r = 51.96 inches
Step-by-step explanation:

Hey there!
c² = 5c
Subtract 5c from both sides:
c² - 5c = 5c - 5c
Simplify :
c² - 5c = 0
c = 5 , c = 0
4.93
^ This number is less than 5, so we round down to 4.9.