Предмет: Геометрия, автор: omagad012

прямої.2.Складіть рівняння прямої, що містить медіану АМ трикутника АВС, якщо А(0; 3), B(-4: 7), C(2; 1). СРОЧНОО

Ответы

Автор ответа: gannagolubok2
2

Відповідь:

Уравнение прямой AM: y = -5x +2. Или 5х + y -2 =0.

Пояснення:

Медиана АМ делит сторону ВС пополам.  =>

M((Xb+Xc)/2; (Yb+Yc)/2) => M(1;-3).

Формула уравнения прямой через две точки:

(X-Xa)/(Xm-Xa) = (Y-Ya)/(Ym-Ya)  =>

(X-0)/1 = (Y-2)/(-5)  =>  y = -5x +2. Или 5х + y -2 =0.


omagad012: аа чувак спасибооо❤
gannagolubok2: Незачто)
omagad012: ты лудший!
gannagolubok2: Спасибо))
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