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haccel
@haccel
July 2022
1
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В треугольнике abc ab=bc,угол c равен 30,ab=1.найти ac
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Novaya22
Угол А = угол С=30
угол В =180-30-30=120
за теоремой синусов
ас/синус120=ав/синус30
ас=корень3
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угол В =180-30-30=120
за теоремой синусов
ас/синус120=ав/синус30
ас=корень3