#include <stdio.h>
 
int main() {
    float alas, tinggi, sisi1, sisi2, sisi3, luas, keliling;
 
    // Masukkan nilai alas, tinggi, dan panjang sisi-sisi segitiga
    printf("Masukkan nilai alas: ");
    scanf("%f", &alas);
    printf("Masukkan nilai tinggi: ");
    scanf("%f", &tinggi);
    printf("Masukkan nilai sisi 1: ");
    scanf("%f", &sisi1);
    printf("Masukkan nilai sisi 2: ");
    scanf("%f", &sisi2);
    printf("Masukkan nilai sisi 3: ");
    scanf("%f", &sisi3);
 
    // Hitung luas segitiga
    luas = (alas * tinggi) / 2;
    printf("Luas segitiga: %.2f\n", luas);
 
    // Hitung keliling segitiga
    keliling = sisi1 + sisi2 + sisi3;
    printf("Keliling segitiga: %.2f\n", keliling);
 
    return 0;
}
 

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