Предмет: Геометрия, автор: qewrytpoi76

Если треугольник ABC < A=30° , < C= 90° , BC=15 см, то страна AB равна

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Автор ответа: Лотарингская

катет напротив угла в 30 градусов равен половине гипотенузы, т.е. AB=2*BC=30

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