Răspunsuri

  • Utilizator Brainly
2014-03-04T09:26:40+02:00
X/y=2/3 ⇒ x/2=y/3; y/z=3/5 ⇒ y/3=z/5 ⇒ x/2=y/3=z/5=k ⇒ x=2k, y=3k, z=5k;
x²+y²=117 ⇒ 4k²+9k²=117 ⇒ k²=9, k=3 x=6, y=9, z=15.