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в трапеции авсд с основаниями ад=15 м и вс=12 м проведена диагональ вд. площадь авд равна 30 м2. найти площадь трапеции
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Предмет:
Геометрия -
Автор:
jacedaniels - 5 лет назад
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Ответы 1
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ВК - высота тругольника АВД.ВК= (30*2)/15ВК=4Площадь равна(15+12)*4/2=54
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Автор:
mahoney - 5 лет назад
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Переведите текст плиз!!! Срочно!!!
Kellie looked for Sebastian's mum at
home, but she was not there. Kellie thought about it and went to the
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was standing behind a tree waiting for Kellie. He knew Kellie and Mum
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морфемный разбор слова где
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