Python: Input the radius of a circle and compute the area
Python Basic: Exercise-4 with Solution
Write a Python program which accepts the radius of a circle from the user and compute the area.
Python: Area of a Circle
In geometry, the area enclosed by a circle of radius r is πr2. Here the Greek letter π represents a constant, approximately equal to 3.14159, which is equal to the ratio of the circumference of any circle to its diameter.
Sample Solution:-
from math import pi
r = float(input ("Input the radius of the circle : "))
print ("The area of the circle with radius " + str(r) + " is: " + str(pi * r**2))
=========== RESTART: F:/Python_APSC/py-ex-basic-4.py ============
Input the radius of the circle : 10
The area of the circle with radius 10.0 is: 314.1592653589793
>>>
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