一个圆柱形游泳池水池内壁和底面都要贴上瓷砖水池底面直径为八米池深1.8米 （1）贴瓷砖的面积是多少 一个圆柱形水池内壁和底面都要贴上瓷砖，水池底面直径为6m，池...
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\u9ad8=1.2\u7c73
\u9576\u74f7\u7816\u7684\u9762\u79ef
=\u5e95\u9762\u79ef+\u4fa7\u9762\u79ef
=3.14\u00d74\u00d74+2\u00d73.14\u00d74\u00d71.2
=80.384\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~~
6\u00d73.14\u00d71.2+\uff086\u00f72\uff09²\u00d73.14
=22.608+28.26
=50.868\uff08\u33a1\uff09
\u7b54:\u8d34\u74f7\u7816\u7684\u9762\u79ef\u662f50.868\u33a1\u3002
＝50.24+45.216
＝95.456平方米
2）3.14×4×4×（1.8-0.3）
＝50.24×1.5
＝75.36立方米（吨）
3）3.14×8＝25.12米
图
（1）S底面=πr^2=3.14×4×4=50.24平方米
S内壁=2πr×h=2×3.14×4×1.8=45.216平方米
S=S底面+S内壁=50.24+45.216=95.456平方米
（2）V=S底面×h=50.24×（1.8-0.3）=75.36立方米
m=ρV=1×75.36=75.36吨
（3）l=l内壁=2πr=2×3.14×4=25.12米
绛旓細涓涓渾鏌卞舰姘存睜锛姘存睜鍐呭鍜搴曢儴閮介暥涓婄摲鐮栵紝姘存睜鍐呴儴搴曢潰鍛ㄩ暱25.12m锛屾睜娣1.2m锛屽簳闈㈠崐寰=25.12梅2梅3.14=4绫筹紝闀剁摲鐮栫殑闈㈢Н=2脳3.14脳4脳1.2锛3.14脳4脳4锛80.384骞虫柟绫筹紝绛旓細闀剁摲鐮栫殑闈㈢Н鏄80.384骞虫柟绫筹紝
绛旓細鍏堢畻鍑哄嚭瀹冪殑鍗婂緞锛6/2=3m 搴曢潰绉細3*3*3.14=28.26骞虫柟绫 渚ч潰绉細6*3.14*1.2=21.608骞虫柟绫 鎶规按娉ラ潰绉紙琛ㄩ潰绉級锛28.26+21.608=50.868骞虫柟绫 绛 鎶规按娉ョ殑闈㈢Н鏄50.868骞虫柟绫炽
绛旓細6/2 =3 (3^2)*3.14=28.26 6*3.14*1.2=22.608 28.26+22.608=50.868 绛旓細闀剁摲鐮栫殑闈㈢Н鏄50.868骞虫柟绫.
绛旓細娓告吵姹犲唴澹锛濆簳闈㈠懆闀*楂=3.14*6*1.5=28.26 娓告吵姹犲簳闈锛澫r^2=3.14*(6/2)^2=28.26 涓涓渾鏌卞舰鐨勬父娉虫睜搴曢潰鐩村緞鏄叚楂樻槸1.5鍦ㄥ畠鐨鍐呭鍜涓涓簳闈㈡秱绮夎娑 28.26+28.26=56.52
绛旓細姹鐨搴曢潰绉=3.14脳锛6/2锛塣2 =3.14脳9 =28.26锛堝钩鏂圭背锛夋睜鐨勪晶闈㈢Н=3.14脳6脳1.2 =22.608锛堝钩鏂圭背锛夐暥鐡风爾鐨勯潰绉=28.26+22.608 =50.868锛堝钩鏂圭背锛
绛旓細6/2=3 3.14*3*3+3.14*6*1.2=50.868骞虫柟绫
绛旓細鍗婂緞=3绫 楂=1.2绫 闀剁摲鐮栭潰绉 =搴曢潰绉+渚ч潰绉 =3.14脳3脳3+3.14脳6脳1.2 =50.868骞虫柟绫 ~涓鍒绘案杩523涓轰綘瑙ｇ瓟锛岀浣犲涔犺繘姝~~濡傛灉浣犺鍙垜鐨勫洖绛旓紝璇峰強鏃剁偣鍑汇愰噰绾充负婊℃剰鍥炵瓟銆戞寜閽畘~鎵嬫満鎻愰棶鑰呭湪瀹㈡埛绔笂璇勪环鐐光滄弧鎰忊濆嵆鍙瘇~~浣犵殑閲囩撼鏄垜鍓嶈繘鐨勫姩鍔泘~~濡傝繕鏈夋柊鐨勯棶棰橈紝璇峰彟...
绛旓細姹鐨搴曢潰绉=3.14脳锛6/2锛塣2 =3.14脳9 =28.26锛堝钩鏂圭背锛夋睜鐨勪晶闈㈢Н=3.14脳6脳1.2 =22.608锛堝钩鏂圭背锛夐暥鐡风爾鐨勯潰绉=28.26+22.608 =50.868锛堝钩鏂圭背锛夋湁甯姪璇风偣濂借瘎鎴栬呴噰绾 绁濅綘鏂扮殑涓瀛︽湡瀛︿範杩涙锛
绛旓細5.5*5.5*3.14+5.5*2*3.14*1.8 =94.985+62.172 =157.157骞虫柟绫
绛旓細鍗婂緞=4绫 楂=1.2绫 闀剁摲鐮栫殑闈㈢Н =搴曢潰绉+渚ч潰绉 =3.14脳4脳4+2脳3.14脳4脳1.2 =80.384骞虫柟绫 ~涓鍒绘案杩523涓轰綘瑙ｇ瓟锛岀浣犲涔犺繘姝~~濡傛灉浣犺鍙垜鐨勫洖绛旓紝璇峰強鏃剁偣鍑汇愰噰绾充负婊℃剰鍥炵瓟銆戞寜閽畘~鎵嬫満鎻愰棶鑰呭湪瀹㈡埛绔笂璇勪环鐐光滄弧鎰忊濆嵆鍙瘇~~浣犵殑閲囩撼鏄垜鍓嶈繘鐨勫姩鍔泘~~濡傝繕鏈夋柊鐨勯棶棰...
