cho tam giác ABC vuông tại A. D là điểm bất kì thuộc cạnh BC. Kẻ DE, DF lần lượt vuông góc với AB, AC ( E thuộc AB, F thuộc AC). a) Chứng minh AD = EF. b) Xác định vị trí của D để EF có độ dài nhỏ nhất

Which of the following was a goal of the albany movement? question 10 options: a. to declare albany, georgia the new state capital b. to move african american residents of albany, georgia to integrated cities in the state c. to bring an end to segregation in albany, georgia d. to elect african americans to political office in albany, ga

Choose the major southeast asian civilizations covered in this chapter. malaysia dai viet monsoon angkor champa

Plz- which of the following explains the growth of fundamentalism in the 1920s? -fundamentalism encouraged racial pride and inspired a "back-to-africa" movement. -americans were uneasy about rapid social change and supported traditional religious beliefs. -americans wanted to increase women's opportunities in the workplace following world war i.