请问一个空心圆台，上底大圆直径为9.2米，小圆直径为8米，高5米，下底大圆直径为12米，小圆直径为8米，...
\u6709\u4e24\u4e2a\u5706\uff0c\u5df2\u77e5\u5c0f\u5706\u7684\u76f4\u5f84\u662f4.8\u5206\u7c73\u6bd4\u5927\u5706\u7684\u76f4\u5f84\u77ed\u4e5d\u5206\u4e4b\u4e00\uff0c\u5927\u5706\u7684\u76f4\u5f84\u662f\u591a\u5c11\uff1f \u6025\u9700\u5927\u5706\u7684\u76f4\u5f844.8/(1-1/9)=5.4\u5206\u7c73
\u534a\u5f84\u662f\u5c0f\u5706\u76842\u500d,\u9762\u79ef\u5c31\u662f\u5c0f\u5706\u76844\u500d,\u4e5f\u53ef\u4ee5\u8bf4\u662f\u591a\u4e864-1=3\u500d,\u6240\u4ee5
\u5c0f\u5706\u9762\u79ef\u662f:9.42\u00f73=3.14
\u5927\u5706\u9762\u79ef\u662f:3.14\u00d74=12.56\u5e73\u65b9\u5206\u7c73
\u5927\u5706\u7684\u9762\u79ef\u662f\uff0812.56\uff09\u5e73\u65b9\u5206\u7c73\u3002
=[S上底+√(S上底·S下底)+S下底]·h/3-S底·h
=5π[(4.6²+4.6×6+6²)÷3-4²]
≈192.38m³
绛旓細鈮192.38m³
绛旓細鎴戠殑 宸茬煡涓涓渾鍙鐨澶у渾鐩村緞涓800灏忓渾鐩村緞涓350楂樹负350,鎬庝箞鐢昏繖涓渾鍙扮殑寮鏂欏睍寮鍥?鎬! 鎴戞潵绛 1涓鍥炵瓟 #鐑# 瀛╁瓙涔嬮棿鎵撴灦 鐖舵瘝瑕佷笉瑕佸共棰?涓嬪北鐨勫皬閬撳＋涓 2016-08-09 路 TA鑾峰緱瓒呰繃1336涓禐 鐭ラ亾灏忔湁寤烘爲绛斾富 鍥炵瓟閲:1056 閲囩撼鐜:66% 甯姪鐨勪汉:207涓 鎴戜篃鍘荤瓟棰樿闂釜浜洪〉 鍏虫敞 ...
绛旓細璇鍦嗗彴鐨 琛ㄩ潰绉= 367656.20 浣撶Н=16243485.91
绛旓細鍦嗗彴鐨勮繃鐩村緞绾靛垏闈㈡槸涓涓褰紝500鍙槸姊舰鐨勯珮锛岃屼笉鏄竟闀裤浣犲彧瑕佺敾鍑轰竴涓笂搴曟槸400锛屼笅搴曟槸1500锛岄珮涓500鐨勪竴涓瓑鑵版褰㈠氨濂戒簡銆傛褰㈢殑鏂滆竟闀垮簲璇ユ槸锛1500-400闄や互2绛変簬550锛岃繖鏄竴鏉＄洿瑙掕竟锛屽彟涓鏉℃槸楂500锛屾枩杈圭敤鍕捐偂瀹氱悊灏辫浜嗭紝搴旇鏄743.3銆傚叾瀹炲渾鍙板氨绛変簬涓や釜鍦嗛敟鐩稿噺锛屼綘瑕佺敾鍦嗕笉鏄...
绛旓細濡傚浘锛
绛旓細362.67,澶ф墖褰㈢殑闈㈢Н鍑忓幓灏忔墖褰㈢殑闈㈢Н灏辫浜
绛旓細澶у渾鐩村緞d1=112锛屽皬鍦嗙洿寰刣2=78锛岄珮h=92锛岃繖涔堢敾鍦嗗彴灞曞紑鍥撅紝灏辨槸灞曞紑鐨勬墖褰㈠憖锛熸墖褰㈢殑澶у渾寮у崐寰勪负R1锛屽皬鍦嗗姬鍗婂緞涓篟2锛屽姬鎵瀵圭殑鍦嗗績鍙负A銆俁1-R2=(h^2+((d1-d2)/2)^2)^0.5=(92^2+((112-78)/2)^2)^0.5=93.5575 A=(d1*PI)/R1=(d2*PI)/R2 d1/R1=d2/R2 R2=(d...
绛旓細澶у渾鍗婂緞鏄120mm锛屽皬鍦嗗崐寰勬槸95mm锛95/120=x/(50+x)瑙ｅ緱x=锛
绛旓細瀵逛簬缁欏畾鐨涓涓渾鍙帮紝瀹冪殑涓婂簳锛堝皬鍦嗭級鐩村緞D1銆佷笅搴曪紙澶у渾锛夌洿寰凞2銆侀珮h鏄‘瀹氱殑锛堝凡鐭ワ級銆傝鍦嗗彴鐨勪换鎰忎竴涓í鎴潰鐩村緞涓篸锛屽畠鍒颁笅搴曢潰璺濈涓篨锛坉闅廥鐨勫彉鍖栬屽彉鍖栵級銆傛牴鎹浉浼间笁瑙掑舰鐭ヨ瘑鍙煡锛歑 /锛伙紙D2- d锛/2锛=h /锛伙紙D2 - D1锛/2锛藉緱 d=锛籇2*h -锛圖2 - D1锛*X锛/ h...
绛旓細澶у渾鐩村緞D=1200cm灏忓渾鐩村緞d=10cm锛岄珮H'=40cm鐨鍦嗗彴,琛ュ厖涓哄渾閿ヤ綋,鍦嗛敟浣撻珮H,姣嶇嚎闀縇,涓鍗婇儴鍒嗗皬鍦嗛敟浣撻珮H1,姣嶇嚎闀縇1,搴曢潰鐩村緞=d,H:H1=(D/2):(d/2)=D:d,(H-H1):H1=(D-d):d,H':H1=(1200-10):10 40:H1=119,H1=40/119(cm),H=H1+H'=40/119+40=40(120/119=4800/119(...
