Question:C program for area of a triangle 

Answer 
#include<stdio.h>
#include<math.h>

int main(){
   
    float a,b,c;
    float s,area;
   
    printf("Enter size of each sides of triangle");
    scanf("%f%f%f",&a,&b,&c);
   
    s = (a+b+c)/2;
    area = sqrt(s*(s-a)*(s-b)*(s-c));
   
    printf("Area of triangle is: %.3f",area);
   
    return 0;
}
Sample output:
Enter size of each sides of the triangle: 2 4 5
Area of triangle is: 3.800 

+ ExplanationNot Moderated
Formula of area of any triangle:
Area = √(s*(s-a)*(s-b)*(s-c))
Where s = (a + b + c)/2

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