C Program to Calculate the area of a triangle

/* Calculate the area of a triangle */

#include
#include

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);

    getch();
    return 0;
}
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