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СРОЧНО, РЕБЯТ! Дана равнобедренная трапеция. Боковые стороны по 6. Меньшее основание 4, угол Е=120. Найдите площадь трапеции .
Ответы 2
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Спасибо!)
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Автор:
josephineray - 5 лет назад
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0
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KH=H1T=EK*sin(120-90)KH=3KT=3*2+4=10EH=√(6*6-3*3)=5S=(10+4)/2 * 5 =35
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Автор:
oliveiaua - 5 лет назад
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