Question

write a program that accepts radius of a circle and print its area in python
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Answer 1

Answer:

from math import*

radius = float(input('What is the radius of the circle:'))

print('The area of the circle with radius {0} is {1}'.format(radius, (pi * radius ** 2)))

Explanation:  use the math library to use the value of pi.

Answer 2

r = float(input("Enter the radius of the circle: "))

print("Area of the circle =", 3.14 * (r * r))