# C Program to find area of triangle using Heron’s Formula

Write a Program in C programming language to find the area of triangle using Heron’s formula. Below is the code of the C program -

/* C program to find area of trianlge using Heron's formula */ #include<stdio.h> #include<math.h> void main() { float a,b,c,s=0,area=0; printf("Enter the length of sides of triangle \n"); scanf("%f %f %f",&a,&b,&c); s = (a+b+c)/2.0; /* s is semi-perimeter */ area = (sqrt)(s*(s-a)*(s-b)*(s-c)); printf("Area of triangle =\t %f",area); getch(); }

**Input -**

a = 6

b = 4

c = 5

**Output-**

Area of triangle = 9.9215

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