有一个圆柱体的喷水池,池内底面直径6分米,最多能装水14.13立方米,水池深多少米? 学校有一个圆柱形喷水池最多能装水28.26立方米,池内底面直...
\u5b66\u6821\u6709\u4e00\u4e2a\u5706\u67f1\u5f62\u7684\u55b7\u6c34\u6c60\u6700\u591a\u80fd\u88c5\u6c3428.26\u7acb\u65b9\u7c73\uff0c\u6c60\u5185\u5e95\u9762\u76f4\u5f84\u4e3a6\u7c73\uff0c\u76c6\u6c34\u6c60\u6df1\u591a\u5c11\u7c73\uff1f\u5e95\u9762\u534a\u5f84r:6\u00f72=3\uff08\u7c73\uff09
\u5e95\u9762\u9762\u79ef=\u03c0r²
3.14\u00d73\u00d73=28.26\uff08\u5e73\u65b9\u7c73\uff09
\u6c34\u6c60\u6df1\u5ea6=\u6c34\u6c60\u5bb9\u79ef\u00f7\u6c34\u6c60\u5e95\u9762\u79ef
28.26\u00f728.26=1\uff08\u7c73\uff09
28.26\u00f7\uff083.14\u00d73\u00d73\uff09=1
\u55b7\u6c34\u6c60\u6df11\u7c73\u3002
3.14×(0.6÷2)²
=3.14×0.09
=0.2826(平方米)
14.13÷0.2826=50(米)
答:水池深50米
【学习宝典】团队为您答题。有不明白的可以追问!
14.13除以(6除以2)的平方乘3.14
14.13/(3.14*0.3^2)=50
绛旓細渚ч潰绉=2蟺rh=2*3.14*2*0.8=10.048骞虫柟绫 搴曢潰绉=蟺r²=3.14*2*2=12.56 鎬婚潰绉=12.56+10.048=22.608骞虫柟绫
绛旓細25.12梅(3.14脳4²)=0.5绫
绛旓細鍥炵瓟锛25.128梅8=3.14绫
绛旓細鍗婂緞 5梅2=2.5绫 鍠锋按姹楂 19.625梅锛2.5x2.5x3.14锛=19.625梅19.625=1锛堢背锛
绛旓細瑙o細锛1锛夋按姹犵殑鍗犲湴闈㈢Н=鍦嗘煴椤堕潰绉=鍦嗘煴搴闈㈢Н=蟺脳(鐩村緞/2)²=100蟺=314銕 锛2锛夊湪姘存睜鐨勪晶闈鍜屽簳闈㈤兘鎶逛笂娉ワ紝鎶规按娉ラ儴鍒嗙殑闈㈢Н=鍦嗘煴渚ч潰+搴曢潰绉 =蟺脳20脳2+100蟺 =140蟺=439.6銕 锛3锛姹犲唴鏈澶氳兘瀹规按=姘存睜浣撶Н脳姣忕珛鏂圭背姘撮噸閲 =搴曢潰绉楅珮脳姣忕珛鏂圭背姘撮噸閲 =100蟺脳2脳1 ...
绛旓細瀛︽牎鏈変竴涓渾鏌卞舰鍠锋按姹狅紝鏈澶氳兘瑁呮按56.52绔嬫柟绫锛屾睜鍐呭簳闈鐩村緞涓6m銆傚柗姘存睜娣卞灏戠背?56.52梅銆3.14脳锛6/2锛²銆=56.52梅28.26 =2绫
绛旓細28.26梅锛3.14脳3脳3锛=1 鍠锋按姹娣1绫炽
绛旓細鐪嬫垚涓涓渾鏌变綋 搴曢潰鍛ㄩ暱=2蟺R=25.12 R=25.12/6.28=4 搴曢潰闈㈢Н=蟺R^2=3.14*16 楂=浣撶Н/搴曢潰绉=25.12/3.14*16=0.5绫
绛旓細鍗婂緞=10梅2=5绫 姘存睜娣 =浣撶Н梅搴曢潰绉 =471梅锛3.14脳5脳5锛=471梅78.5 =6绫 ~涓鍒绘案杩523涓轰綘瑙g瓟锛岀浣犲涔犺繘姝~~濡傛灉浣犺鍙垜鐨鍥炵瓟锛岃鍙婃椂鐐瑰嚮銆愰噰绾充负婊℃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澶栧悜鎴戞眰鍔╋紝绛旈...
绛旓細锛1锛3.14脳20脳0.8+3.14脳锛20梅2锛2=50.24+3.14脳100锛=50.24+314锛=364.24锛屸増365锛堝钩鏂圭背锛夛紱锛2锛3.14脳锛20梅2锛2脳0.8=3.14脳100脳0.8=251.2锛堢珛鏂圭背锛夛紱绛旓細姘存偿闈㈢殑闈㈢Н鏄365骞虫柟绫筹紝杩欎釜姘存睜鏈澶氳兘瀹规按251.2绔嬫柟绫筹紟