#BLLKAT005
#Kate Bell
#11 March 2014

import math
x=math.sqrt(2)
pi_approx=2

while(x<2):
    pi_approx=pi_approx*(2/x)
    x=math.sqrt(2+x)
    
print("Approximation of pi:",round(pi_approx,3))

r= eval(input("Enter the radius:\n"))
print("Area:",round(pi_approx*r*r,3))


    

722923242812699c60b21c9f10e9edb5a52fcc99
<mask token>

<mask token>
while x < 2:
    pi_approx = pi_approx * (2 / x)
    x = math.sqrt(2 + x)
print('Approximation of pi:', round(pi_approx, 3))
<mask token>
print('Area:', round(pi_approx * r * r, 3))

<mask token>
x = math.sqrt(2)
pi_approx = 2
while x < 2:
    pi_approx = pi_approx * (2 / x)
    x = math.sqrt(2 + x)
print('Approximation of pi:', round(pi_approx, 3))
r = eval(input('Enter the radius:\n'))
print('Area:', round(pi_approx * r * r, 3))

import math
x = math.sqrt(2)
pi_approx = 2
while x < 2:
    pi_approx = pi_approx * (2 / x)
    x = math.sqrt(2 + x)
print('Approximation of pi:', round(pi_approx, 3))
r = eval(input('Enter the radius:\n'))
print('Area:', round(pi_approx * r * r, 3))

#BLLKAT005
#Kate Bell
#11 March 2014

import math
x=math.sqrt(2)
pi_approx=2

while(x<2):
    pi_approx=pi_approx*(2/x)
    x=math.sqrt(2+x)
    
print("Approximation of pi:",round(pi_approx,3))

r= eval(input("Enter the radius:\n"))
print("Area:",round(pi_approx*r*r,3))


    
