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Дан правильный шестиугольник.Сторона равна 6 дм.В него вписана окружность.Найдите:
Площадь круга
Ответы 1
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Радиус большей окружности (описанной) равен стороне а прав. 6-ника.a=R = 6кор3Тогда радиус вписанной окр-ти:r = a*cos30 = (акор3)/2 = (6*3)/2 = 9Находим искомые площадь круга и длину окружности:
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Автор:
foxy mama - 5 лет назад
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The following sentences are direct speech.
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1.
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I asked,
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Автор:
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