Work Shown:
C = 2*pi*r
78.5 = 2*3.14*r
78.5 = 6.28r
r = (78.5)/(6.28)
r = 12.5
Answer:
i think its 22.22 thats my guess
Check the picture below.
18598
Step-by-step explanation:
just add
no -9/4 is irrational
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