#include <stdio.h>
int main() {
float x1, y1, x2, y2, x3, y3;
float d1_sq, d2_sq, d3_sq;
printf("Introduce las coordenadas del punto A (x y): ");
scanf("%f %f", &x1, &y1);
printf("Introduce las coordenadas del punto B (x y): ");
scanf("%f %f", &x2, &y2);
printf("Introduce las coordenadas del punto C (x y): ");
scanf("%f %f", &x3, &y3);
d1_sq = (x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1);
d2_sq = (x3 - x2) * (x3 - x2) + (y3 - y2) * (y3 - y2);
d3_sq = (x1 - x3) * (x1 - x3) + (y1 - y3) * (y1 - y3);
if (d1_sq == d2_sq && d2_sq == d3_sq) {
printf("\nEl triangulo es EQUILATERO.\n");
} else if (d1_sq == d2_sq || d2_sq == d3_sq || d1_sq == d3_sq) {
printf("\nEl triangulo es ISOSCELES.\n");
} else {
printf("\nEl triangulo es ESCALENO.\n");
}
return 0;
}
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