СРОЧНО!1!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Question

СРОЧНО!1!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

---

Answer 1

1)

ВА1 = 11-6 = 5

АВ = √12²+6² = 6√5

2)

ВД² = 12²+16² = 400

ВВ1 = √25² - 400 = 15