Question

Срочно нужна помощь!!

Answer 1

AB=$\sqrt{AC^{2}+BC^{2}}=\sqrt{6^{2}+8^{2}}=10$см

BC=$\sqrt{AC^{2}-AB^{2}}=\sqrt{7^{2}-5^{2}}=$$\sqrt{24}$≈4,9 см

AC=2*$\sqrt{AB^{2}-BD^{2}}=2*\sqrt{13^{2}-12^{2}}=2*$$\sqrt{25}$=2*5 = 10cм