龙珠小区有一个直径三米高0.8米的圆柱花坛，花坛的侧面铺花港时需要铺花岗石多少平方米？ 龙珠小区有一个直径3cm高0.8cm的圆柱型建筑。圆柱的侧面...
\u9f99\u73e0\u5c0f\u533a\u67091\u4e2a\u76f4\u5f843\u7c73\uff0c\u9ad80.8\u7c73\u7684\u5706\u67f1\u5f62\u82b1\u575b\uff0c\u82b1\u575b\u4fa7\u9762\u94fa\u82b1\u5c97\u77f3\uff0c\u8981\u591a\u5c11\u5e73\u65b9\u7c73\uff1f\u82b1\u575b\u4fa7\u9762\u94fa\u82b1\u5c97\u77f3\uff0c\u9700\u8981\uff1a
3.14X3X0.8
=7.536\u5e73\u65b9\u7c73
3.14\u00d73\u00d70.8=7.536\uff08\u5e73\u65b9\u5398\u7c73\uff09
\u9700\u8981\u82b1\u5c97\u5ca97.536\u5e73\u65b9\u5398\u7c73
=7.536平方米
答：需要铺花岗石7.536平方米。
绛旓細绛旓細闇瑕侀摵鑺卞矖鐭7.536骞虫柟绫炽
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