Помогите пж решить задачи по геометрии!
4/x = tg(30°) x = 4/tg(30°) = 4*cos(30°)/sin(30°) = 4*√3/2 / (1/2) = 4√3 --- ∠M = (180-120)/2 = 30° x/30 = sin (30°) x = 30*1/2 = 15