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Діаметр основи циліндра
дорівнює 8 см. Його висота - 11 см.
Знайти площу повної поверхні циліндра.-
Предмет:
Геометрия -
Автор:
herrerafnth - 4 года назад
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Ответы 1
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Sпол=2S осн+SбокSосн=πR²R=d:2=8:2=4 cмSосн=πR²=π·4²=16π см²Sбок=2πR·HSбок=2πR·H=2π·4·11=88π см²Sпол=2·16π+88π=120π см²если π≈3,14 то S пол ≈120·3,14=376,8 см²
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Автор:
hart - 4 года назад
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0
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