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Olunechka
@Olunechka
August 2022
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В треугольнике ABC угол C равен 90 градусов, AC=5 см, BC=5√3 см. Найдите угол B и сторону AB
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minnnimaus
По теореме Пифагора находим АВ:
АВ²=AC²+BC²=5²+(5√3)²=25+25*3=25+75=100
AB=√100=10
угол B=60 градусов
3 votes
Thanks 2
Olunechka
объясни,почему 60?
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Answers & Comments
АВ²=AC²+BC²=5²+(5√3)²=25+25*3=25+75=100
AB=√100=10
угол B=60 градусов