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- #include <stdio.h>
- #include <math.h>
- int main(void) {
- int a,b,c;
- float t,E;
- printf("Dwse pleura a,b,c\n");
- scanf("%i%i%i", &a, &b, &c);
- if (a<b+c && b<a+c && b<a+c && c<b+a) {
- t = (a+b+c)/2;
- E = sqrt(t * (t-a) * (t-b) * (b-c));
- printf("E = %f\n", E);
- if (a==b || b==c || c==a ) {
- printf("Isoskeles");
- }
- else if ((a == b) && (b == c) && (c == a)) {
- printf("Isopleuro");
- }
- } else {
- printf("Den isxyei h parapanw sinthiki");
- }
- }
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