Answer:
s=80
Step-by-step explanation:
5/8ths is .625
80 x .625 =50
C = 2πr
r = C/2π ...(1)
A = πr²
A = π(C/2π)² = πC²/4π²
A = C²/4π.
<u>Correct choice</u> - [A] A = C²/4π.
$13.50
The total is $103.50.