Learn about Python Program to Find Area of Triangle Using Function in the below code example. Also refer the comments in the code snippet to get a detailed view about what’s actually happening.
Contents
Python Program to Find Area of Triangle Using Function
# program to find the area of the triangle using function
# math module
import math
def area_of_triangle(a, b, c):
# sum of two sides must be smaller than the third side.
if (a < 0 or b < 0 or c < 0 or
(a+b <= c) or (a+c <=b) or (b+c <=a) ):
print('Not a valid trianglen')
else:
# calculating the semi-perimeter
s = (a + b + c) / 2
# area of triangle
area = math.sqrt(s * (s - a) * (s - b) * (s - c))
return area
# inputs from user
a = float(input('first side of the triangle: '))
b = float(input('second side of the triangle: '))
c = float(input('third side of the triangle: '))
# print result
print('Area of triangle = %0.2f' %area_of_triangle(a, b, c))
Output:
first side of the triangle: 3 second side of the triangle: 4 third side of the triangle: 5 Area of triangle = 6.00
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