Question

Write a program on Python to find area of a triangle using Heron's formula. (value to be entered by user)

Answer 1

Semi-Perimeter of a Triangle with sides a,b,c is given by:

S = (a + b + c)/2

Area of triangle is given by:

Area = √s(s - a)(s - b)(s - c)

Sample Python Program to find Area of triangle:

import math

a = float(input('Enter 1st side: '))

b = float(input('Enter 2nd side: '))

c = float(input('Enter 3rd side: '))

s = (a + b + c)/2

Area = math.sqrt (s * (s - a) * (s - b) * (s - c))

print("Area of the triangle is %0.2f: " %Area)

Output:

Enter 1st side: 15

Enter 2nd side: 10

Enter 3rd side: 5

Area of the triangle is 20.69

Hope it helps!

Answer 2

Semi-Perimeter of a Triangle with sides a,b,c is given by:

S = (a + b + c)/2

Area of triangle is given by:

Area = √s(s - a)(s - b)(s - c)

Sample Python Program to find Area of triangle:

import math

a = float(input('Enter 1st side: '))

b = float(input('Enter 2nd side: '))

c = float(input('Enter 3rd side: '))

s = (a + b + c)/2

Area = math.sqrt (s * (s - a) * (s - b) * (s - c))

print("Area of the triangle is %0.2f: " %Area)

Output:

Enter 1st side: 15

Enter 2nd side: 10

Enter 3rd side: 5

Area of the triangle is 20.69

Hope it helps!

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