Предмет: Геометрия, автор: MashaBlow

Здравствуйте. Помогите с задачей 176. Главное - с объяснениями по типу "AB = 150 согласно правилу ...". Заранее всем спасибо!

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Автор ответа: novokuz

Решение задачи во вложенном файле.

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