This post contains a total of 7+ Python Program Examples with Source Code to Calculate the Area of a Circle. All these Circle Area Calculator programs are made using Python Language.
You can use the source code of these examples with credits to the original owner.
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Python Programs to Calculate Area of Circle
1. By Anon
Made by C Anon. Program to calculate area of circle. Source
enter radius:10 Area of circle is calculated below: 314.0
a=int(input('enter radius:'))
print(a)
print('Area of circle is calculated below:')
print(3.14*(a**2))
print('this is a program which can find area of circle of given radius')
2. By Julius Abucejo
Made by Julius Abucejo. Simple Circle Area Calculator made using Python. Source
Enter the radius of the circle: 11 The area of the circle is: 380.132711084365
#import math module
from math import*
a= float (input("Enter the radius of the circle: \n"))
area=pi*(a**2)
print("The area of the circle is: ")
print (area)
3. By Joelsays
Made by Joelsays. Source
input the radius value 12 the area of the circle is 904.0
r=float(input("input the radius value "))
#i used float above in case user input is in decimal
pi=float(3.142)
c=int(2*pi*(r**2))
print ("the area of the circle is")
print (float(c))
4. By Amartya Dwivedi
Made by Amartya Dwivedi. Python Program to find Area Of Circle using Radius. Source
Please Enter the radius of a circle: 13 Area Of a Circle = 530.66
PI = 3.14
radius = float(input(' Please Enter the radius of a circle: '))
area = PI * radius * radius
circumference = 2 * PI * radius
print(" Area Of a Circle = %.2f" %area)
5. By Dio Kristoffer Yap
Made by Dio Kristoffer Yap. Very basic circle area finder program. Source
14 AREA of the Circle = 615.44
x = (int(input("AREA of the Circle = ")) ** 2) * 3.14
print(x)
6. By Alphaville
Made by Alphaville. Source
radius:15 Area is 706.9499999999999
PI = 3.142
r = int(input("radius:"))
print(r)
Area= PI * (r*r)
print("Area is",Area);
7. By Nishit Katole
Made by Nishit Katole. Source
16 Radius is 804.5714285714286
radius = int(input())
output = 22/7 * (radius **2)
print("Radius is " + str(output))
8. By Uniwylimp
Made by Uniwylimp. Source
Input your radius:17 radius: 17.0 cm ฯ: 3.124 cm AOC: 902.836 cmยฒ
print ("welcome to Area Of a Circle calculator ")
x = float(input("Input your radius:"))
pie =3.124
v = (x**2)*pie
print ("\n radius:", x , "cm \n ฯ: ", pie, "cm \n AOC: " , v,"cmยฒ")