Area of a circle in python

#Area Of A Circle in python
R = int(input("Enter the radius of the circle: "))
PI = 22/7 #This is a constant
A = PI * R * R
print(A)

Area of a Circle in Python

R = float(input())

Area =  3.14159 * R * R

print("A=%0.4f" %Area)

Source: devsenv.com

Find the area of a circle in python

import math

radius = 3
area = math.pi * radius * radius
# another way would be to set variable and round - rounded_area = round(area, 3)
print(f'The area of the circle is {area:.3f}')
# round answer to 3 decimal places

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