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