Вопрос школьника по предмету Геометрия
Определить угол равностороннего треугольника ABC и квадрата ACDK
Ответ учителя по предмету Геометрия
сумма углов треугольника 180 градусов
т.к. он равносторонний его углы =180/3=60.
все углы квадрата прямые поэтому 90
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