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school671
@school671
August 2022
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Нужно найти АВ. Помогите пожалуйста!!!
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mruzunov47
∠С=180-60-75=45°
По теореме синусов ВС/sin60=АВ/sin45;
15/√3/2=АВ/√2/2,
30/√3=2АВ/√2, Найдем неизвестный член пропорции
2АВ=30√2/2√3=15√2/√3=15√6/3=5√6.
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Answers & Comments
По теореме синусов ВС/sin60=АВ/sin45;
15/√3/2=АВ/√2/2,
30/√3=2АВ/√2, Найдем неизвестный член пропорции
2АВ=30√2/2√3=15√2/√3=15√6/3=5√6.