Question

How to find area of isosceles triangle in C

Answer 1

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

int main(void) {
    double a = 5; // length of two equal sides
    double base = 8;

    double area = (1 / 2.0) * base * sqrt((a * a) - ((base * base) / 4));

    printf("Area of Isosceles Triangle = %f", area);
}





/*
run:

Area of Isosceles Triangle = 12.000000

*/

 

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Answer 2

#include <stdio.h>

int main(void) {
    double h = 3;
    double base = 8;

    double area = (1 / 2.0) * base * h;

    printf("Area of Isosceles Triangle = %f", area);
}





/*
run:

Area of Isosceles Triangle = 12.000000

*/

 

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