В Δ АВС на стороне Ас отмечена точка Д такая что АВ=ВД=ДС.

ДФ- медиана Δ ВДС. Найдите угол ВАС, если угол ФДС = 65⁰

(x-2)в квадрате-49=0

решите уравнение срочно

You can_________ (see) the Browns in their living room. They usually_________ (spend) their Saturday evenings at home. Look, Mr Brown_________ (sit) in his armchair and_________ (watch) TV. He_________ (like) sports programmes and the news. Mrs Brown_________ (read) a magazine. She_________ (buy) magazines and newspapers every morning. Betsy, their daughter, _________ (take) care of the family’s pets. Now she_________ (feed) her fish. Her elder brother Bob_________ (draw) a ship. He_________ (draw) very well. He _________ (go) to be an artist.

В прямоугольном треугольнике ОМН гипотенуза МН=15см. Найдите катет ОМ , если синус угла М равен 4/5