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#include<stdio.h>

#include<math.h>

main()

{

float A,a,b,c,s;

printf("entr the value of a,b and c");

scanf("%f %f %f",&a,&b,&c);

A=sqrt(s*s-a*s-b*s-c)

printf("area of the triangle %f\n"A);

getch();

}

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Q: How do you find area of a triangle given its 3 sides in c program?
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