一个圆柱形水池水池内壁和底面都要贴瓷砖,水池底面直径是四米,池升1.5米要贴瓷砖的面积是多少平方米 一个圆柱形水池,水池内壁和底面都贴上瓷砖,水池底面直径10米...

\u5728\u4e00\u4e2a\u5706\u67f1\u5f62\u6c34\u6c60\u6c34\u6c60\u5185\u58c1\u548c\u5e95\u9762\u90fd\u8981\u8d34\u4e0a\u74f7\u7816\uff0c\u5df2\u77e5\u6c34\u6c60\u5e95\u9762\u76f4\u5f846\u7c73\uff0c\u6c60\u6df11.5\u7c73\u8d34\u74f7\u7816\u7684\u9762\u79ef\u662f\u591a\u5c11\u5e73

6\u00d73.14\u00d71.5\uff1d28.36\u5e73\u65b9\u7c73
3.14\u00d73\u00d73\uff1d28.26\u5e73\u65b9\u7c73
28.26+28.26\uff1d56.52\u5e73\u65b9\u7c73

\u534a\u5f84=10\u00f72=5\u7c73
\u9ad8=1.5\u7c73

\u8d34\u74f7\u7816\u9762\u79ef
=\u5e95\u9762\u79ef+\u4fa7\u9762\u79ef
=3.14\u00d75\u00d75+3.14\u00d710\u00d71.5
=78.5+47.1
=125.6\u5e73\u65b9\u7c73

~\u4e00\u523b\u6c38\u8fdc523\u4e3a\u4f60\u89e3\u7b54\uff0c\u795d\u4f60\u5b66\u4e60\u8fdb\u6b65~~~
~\u5982\u679c\u4f60\u8ba4\u53ef\u6211\u7684\u56de\u7b54\uff0c\u8bf7\u53ca\u65f6\u70b9\u51fb\u3010\u91c7\u7eb3\u4e3a\u6ee1\u610f\u56de\u7b54\u3011\u6309\u94ae~
~\u624b\u673a\u63d0\u95ee\u8005\u5728\u5ba2\u6237\u7aef\u4e0a\u8bc4\u4ef7\u70b9\u201c\u6ee1\u610f\u201d\u5373\u53ef~~
~\u4f60\u7684\u91c7\u7eb3\u662f\u6211\u524d\u8fdb\u7684\u52a8\u529b~~~
~\u5982\u8fd8\u6709\u65b0\u7684\u95ee\u9898\uff0c\u8bf7\u53e6\u5916\u5411\u6211\u6c42\u52a9\uff0c\u7b54\u9898\u4e0d\u6613\uff0c\u656c\u8bf7\u8c05\u89e3~~

面积为3.14*2*2*1.5=18.84平方米。望采纳



(4÷2)^2 ×3.14×1.5

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