Предмет: Геометрия, автор: telefon200602

ПОМОГИТЕ ПОСТРОИТЬ ЧЕРТЕЖ ПО ДАННОЙ ЗАДАЧЕ:

Отрезок AD-биссектриса треугольника ABC.Через точку D проведена прямая,параллельная стороне AB и пересекающая сторону AC в точке F.Найти углы треугольника ADF, если угол BAC=72 градусов

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Автор ответа: okneret

Применено свойство накрест лежащих углов при параллельных прямых

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TEST IV FORM 6
I. USE OF ENGLISH
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