Python Program to Find Area of a Circle
The area of a circle can simply be evaluated using the following formula.
Area = pi * r2
where r is radius of circle
Python Program to Find Area of a Circle
# Python program to find Area of a circle
def findArea(r):
PI = 3.142
return PI * (r*r);
# Driver method
print("Area is %.6f" % findArea(5));
Time Complexity: O(1) since no loop is used the algorithm takes up constant time to perform the operations
Auxiliary Space: O(1) since no extra array is used so the space taken by the algorithm is constant
Python Program to Find Area of a Circle With Math library
# Python program to find Area of a circle
# using inbuild library
import math
def area(r):
area = math.pi* pow(r,2)
return print('Area of circle is:' ,area)
area(4)
Time Complexity: O(1)
Auxiliary Space: O(1)
Please refer complete article on Program to find area of a circle for more details!
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