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專題17立體幾何外接球與內(nèi)切球必刷100題任務(wù)一:善良模式(基礎(chǔ))1-30題一、單選題1.已知正四棱錐SKIPIF1<0的所有頂點(diǎn)都在球SKIPIF1<0的球面上,且正四棱錐SKIPIF1<0的底面面積為6,側(cè)面積為SKIPIF1<0,則球SKIPIF1<0的體積為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<02.《九章算術(shù)》中將四個(gè)面都為直角三角形的三棱錐稱之為鱉臑,若三棱錐SKIPIF1<0為鱉臑,SKIPIF1<0平面SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,若三棱錐SKIPIF1<0的所有頂點(diǎn)都在球SKIPIF1<0上,則球SKIPIF1<0的半徑為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<03.已知SKIPIF1<0是以SKIPIF1<0為斜邊的直角三角形,SKIPIF1<0為平面SKIPIF1<0外一點(diǎn),且平面SKIPIF1<0平面SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,則三棱錐SKIPIF1<0外接球的體積為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<04.三棱錐SKIPIF1<0中,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0的面積為SKIPIF1<0,則此三棱錐外接球的表面積為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<05.在《九章算術(shù)》中,將四個(gè)面都為直角三角形的三棱錐稱之為鱉臑(biēnào).已知在鱉臑SKIPIF1<0中,SKIPIF1<0平面SKIPIF1<0,SKIPIF1<0,則該鱉臑的外接球的表面積為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<06.已知三棱錐SKIPIF1<0中,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0的中點(diǎn)為E,DE的中點(diǎn)恰好為點(diǎn)A在平面BCD上的射影,則該三棱錐外接球半徑的平方為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<07.如圖,把兩個(gè)完全相同的直三角尺SKIPIF1<0,SKIPIF1<0斜邊重合,沿其斜邊SKIPIF1<0折疊形成一個(gè)120°的二面角,其中SKIPIF1<0,且SKIPIF1<0,則空間四邊形SKIPIF1<0外接球的表面積為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<08.已知直三棱柱的各棱長(zhǎng)都相等,三棱柱的所有頂點(diǎn)都在球O的表面上,若球O的表面積為28π,則該三棱柱的體積為()A.6 B.18 C.12SKIPIF1<0 D.16SKIPIF1<09.已知邊長(zhǎng)為2的等邊三角形SKIPIF1<0,SKIPIF1<0為SKIPIF1<0的中點(diǎn),以SKIPIF1<0為折痕進(jìn)行折疊,使折后的SKIPIF1<0,則過(guò)SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0四點(diǎn)的球的表面積為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<010.已知正四面體SKIPIF1<0的表面積為SKIPIF1<0,且SKIPIF1<0、SKIPIF1<0、SKIPIF1<0,SKIPIF1<0四點(diǎn)都在球SKIPIF1<0的球面上,則球SKIPIF1<0的體積為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<011.在四棱錐SKIPIF1<0中,底面是邊長(zhǎng)為SKIPIF1<0的正方形,且SKIPIF1<0,則四棱錐外接球的表面積為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<012.三棱錐D-ABC中,AB=DC=3,AC=DB=2,AC⊥CD,AB⊥DB.則三棱錐D-ABC外接球的表面積是().A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<013.已知一個(gè)圓錐的母線長(zhǎng)為SKIPIF1<0,側(cè)面展開(kāi)圖是圓心角為SKIPIF1<0的扇形,則該圓錐的外接球的體積為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<014.已知三棱柱SKIPIF1<0的SKIPIF1<0個(gè)頂點(diǎn)全部在球SKIPIF1<0的表面上,SKIPIF1<0,SKIPIF1<0,三棱柱SKIPIF1<0的側(cè)面積為SKIPIF1<0,則球SKIPIF1<0表面積的最小值是()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<015.三棱錐SKIPIF1<0的頂點(diǎn)均在一個(gè)半徑為4的球面上,SKIPIF1<0為等邊三角形且其邊長(zhǎng)為6,則三棱錐SKIPIF1<0體積的最大值為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<0第II卷(非選擇題)二、填空題16.已知SKIPIF1<0,SKIPIF1<0分別是邊長(zhǎng)為2的等邊SKIPIF1<0邊SKIPIF1<0,SKIPIF1<0的中點(diǎn),現(xiàn)將SKIPIF1<0沿SKIPIF1<0翻折使得平面SKIPIF1<0平面SKIPIF1<0,則棱錐SKIPIF1<0外接球的表面積為_(kāi)________.17.如圖,矩形SKIPIF1<0中,SKIPIF1<0為SKIPIF1<0的中點(diǎn),SKIPIF1<0,將SKIPIF1<0沿直線SKIPIF1<0翻折成SKIPIF1<0(SKIPIF1<0不在平面SKIPIF1<0內(nèi)),連結(jié)SKIPIF1<0,SKIPIF1<0為SKIPIF1<0的中點(diǎn),則在翻折過(guò)程中,下列說(shuō)法中正確的是_________.①SKIPIF1<0平面SKIPIF1<0;②存在某個(gè)位置,使得SKIPIF1<0;③當(dāng)三棱錐SKIPIF1<0的體積最大時(shí),三棱錐SKIPIF1<0的外接球的表面積是SKIPIF1<0.18.如圖,半球內(nèi)有一內(nèi)接正方體,正方體的一個(gè)面在半球的底面圓內(nèi),若正方體的邊長(zhǎng)為2,則半球的表面積為_(kāi)___________.
19.已知球面上有四個(gè)點(diǎn)A,B,C,D,球心為點(diǎn)O,O在CD上,若三棱錐SKIPIF1<0的體積的最大值為SKIPIF1<0,則該球O的體積為_(kāi)_______.20.圓臺(tái)的上、下底面的圓周都在一個(gè)直徑為SKIPIF1<0的球面上,上、下底面半徑分別為SKIPIF1<0和SKIPIF1<0則該圓臺(tái)的體積為_(kāi)______.21.已知三棱錐SABC中,SA平面ABC,且SA=4,AB=AC=2,BAC=120,則三棱錐SABC的外接球的表面積為_(kāi)____.22.一個(gè)正四棱錐的頂點(diǎn)都在同一球面上,若該棱錐的高為SKIPIF1<0,底面邊長(zhǎng)為SKIPIF1<0,則該球的表面積為_(kāi)________.23.已知在四面體SKIPIF1<0中,SKIPIF1<0,則四面體SKIPIF1<0的外接球表面積為_(kāi)_____.24.已知四面體ABCD的四個(gè)頂點(diǎn)都在球O的表面上,SKIPIF1<0平面BCD,又SKIPIF1<0,且SKIPIF1<0,則球O的體積為_(kāi)_________25.在《九章算術(shù)》中,將四個(gè)面都為直角三角形的三棱錐稱之為鱉臑.已知在鱉臑SKIPIF1<0中,滿足SKIPIF1<0平面SKIPIF1<0,且有SKIPIF1<0,則此時(shí)它外接球的體積為_(kāi)______.26.已知S,A,B,C是球O表面上的點(diǎn),SKIPIF1<0平面SKIPIF1<0,則球O的表面積是_______;27.一個(gè)正四面體表面積為SKIPIF1<0,其內(nèi)切球表面積為S2.則SKIPIF1<0=___________.28.已知四面體ABCD中,AB=AD=6,AC=4,CD=2SKIPIF1<0,AB⊥平面ACD,則四面體ABCD外接球的表面積為_(kāi)_____.29.設(shè)體積為SKIPIF1<0的正三棱錐SKIPIF1<0外接球的球心為O,其中O在三棱錐SKIPIF1<0內(nèi)部.若球O的半徑為R,且球心O到底面SKIPIF1<0的距離為SKIPIF1<0,則球O的半徑SKIPIF1<0__________.30.在邊長(zhǎng)為6的菱形SKIPIF1<0中,SKIPIF1<0,將菱形SKIPIF1<0沿對(duì)角線SKIPIF1<0折起成直二面角,則所得三棱錐SKIPIF1<0外接球的表面積等于___________.任務(wù)二:中立模式(中檔)1-50題一、單選題1.已知球O是正三棱錐A-BCD(底面是正三角形,頂點(diǎn)在底面的射影為底面中心)的外接球,BC=3,AB=SKIPIF1<0,點(diǎn)E在線段BD上,且BD=3BE.過(guò)點(diǎn)E作球O的截面,則所得截面面積的最小值是()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<02.在三棱錐SKIPIF1<0中,平面SKIPIF1<0平面SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0的面積為SKIPIF1<0,則三棱錐SKIPIF1<0的外接球體積為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<03.球SKIPIF1<0的表面積為SKIPIF1<0,三棱柱SKIPIF1<0的頂點(diǎn)在球面上,且三角形SKIPIF1<0是邊長(zhǎng)為SKIPIF1<0的正三角形,則SKIPIF1<0所在直線與平面SKIPIF1<0所成角的正弦值為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<04.在《九章算術(shù)》中,將四個(gè)面都為直角三角形的三棱錐稱之為鱉臑(biēnào).已知在鱉臑SKIPIF1<0中,SKIPIF1<0平面SKIPIF1<0,SKIPIF1<0,則該鱉臑的內(nèi)切球的表面積為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<05.已知圓錐的底面半徑為SKIPIF1<0母線長(zhǎng)為SKIPIF1<0則該圓錐內(nèi)半徑最大的球的表面積與圓錐外接球的表面積之比為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<06.已知三棱錐S-ABC的外接球O的表面積為SKIPIF1<0,SA=2,SA⊥平面ABC,△ABC是以AC為斜邊的直角三角形,點(diǎn)P在球O的表面上運(yùn)動(dòng),則三棱錐P-ABC體積的最大值為()A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<07.已知SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0在球SKIPIF1<0的表面上,SKIPIF1<0為等邊三角形且其面積為SKIPIF1<0,SKIPIF1<0平面SKIPIF1<0,SKIPIF1<0,則球SKIPIF1<0的表面積為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<08.在四面體SKIPIF1<0中,SKIPIF1<0平面SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,則該四面體的外接球的表面積是()A.SKIPIF1<0 B.100π C.SKIPIF1<0 D.20π9.已知四棱錐SKIPIF1<0,底面SKIPIF1<0為矩形,側(cè)面SKIPIF1<0平面SKIPIF1<0,SKIPIF1<0,SKIPIF1<0.若點(diǎn)SKIPIF1<0為SKIPIF1<0的中點(diǎn),則下列說(shuō)法正確的為()A.SKIPIF1<0平面SKIPIF1<0 B.SKIPIF1<0面SKIPIF1<0C.四棱錐SKIPIF1<0外接球的表面積為SKIPIF1<0 D.四棱錐SKIPIF1<0的體積為610.已知四棱錐SKIPIF1<0的側(cè)棱均相等,其各個(gè)頂點(diǎn)都在球SKIPIF1<0的球面上,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,三棱錐SKIPIF1<0的體積為SKIPIF1<0,則球SKIPIF1<0的表面積為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<011.三棱錐SKIPIF1<0的各個(gè)頂點(diǎn)都在球SKIPIF1<0的表面上,且SKIPIF1<0是等邊三角形,SKIPIF1<0底面SKIPIF1<0,SKIPIF1<0,SKIPIF1<0.若點(diǎn)SKIPIF1<0在線段SKIPIF1<0上,且SKIPIF1<0,則過(guò)點(diǎn)SKIPIF1<0的平面截球SKIPIF1<0所得截面的最小面積為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<012.如圖,三棱臺(tái)ABC-A1B1C1中,AB⊥AC,BC=6,A1B1=A1C1=4SKIPIF1<0,AA1=5SKIPIF1<0,平面BCC1B1⊥平面ABC,則該三棱臺(tái)外接球的體積為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<013.已知正三棱錐的底面邊長(zhǎng)為SKIPIF1<0,高為SKIPIF1<0,則三棱錐的內(nèi)切球的表面積為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<014.已知正三棱錐P﹣ABC的外接球的球心O滿足SKIPIF1<0,則二面角A﹣PB﹣C的正弦值為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<015.蹴鞠(如圖所示),又名蹴球、蹴圓、筑球、踢圓等,蹴有用腳蹴、踢的含義,鞠最早系外包皮革、內(nèi)實(shí)米糠的球.因而蹴鞠就是指古人以腳蹴、塌、踢皮球的活動(dòng),類似今日的足球.2006年5月20日,蹴鞠已作為非物質(zhì)文化遺產(chǎn)經(jīng)國(guó)務(wù)院批準(zhǔn)列入第一批國(guó)家非物質(zhì)文化遺傳名錄.已知某蹴鞠(近似看作球體)的表面上有四個(gè)點(diǎn)SKIPIF1<0、SKIPIF1<0、SKIPIF1<0、SKIPIF1<0,滿足SKIPIF1<0為正三棱錐,SKIPIF1<0是SKIPIF1<0的中點(diǎn),且SKIPIF1<0,側(cè)棱SKIPIF1<0,則該蹴鞠的表面積為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<016.如圖,在四棱錐SKIPIF1<0中,已知SKIPIF1<0底面SKIPIF1<0,且SKIPIF1<0,則該四棱錐外接球的表面積為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<017.已知球SKIPIF1<0是正三棱錐(底面為正三角形,頂點(diǎn)在底面的射影為底面中心)SKIPIF1<0的外接球,SKIPIF1<0,SKIPIF1<0,點(diǎn)SKIPIF1<0在線段SKIPIF1<0上,且SKIPIF1<0,過(guò)點(diǎn)SKIPIF1<0作球SKIPIF1<0的截面,則所得截面圓面積的取值范圍是()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<018.已知邊長(zhǎng)為SKIPIF1<0的菱形SKIPIF1<0中,SKIPIF1<0,現(xiàn)沿對(duì)角線SKIPIF1<0折起,使得SKIPIF1<0,此時(shí)點(diǎn)SKIPIF1<0在同一個(gè)球面上,則該球的表面積為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<019.正方體SKIPIF1<0的棱長(zhǎng)為2,SKIPIF1<0的中點(diǎn)分別是P,Q,直線SKIPIF1<0與正方體的外接球O相交于M,N兩點(diǎn)點(diǎn)G是球O上的動(dòng)點(diǎn)則SKIPIF1<0面積的最大值為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<020.已知四棱錐SKIPIF1<0,SKIPIF1<0平面SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,二面角SKIPIF1<0的大小為SKIPIF1<0.若四面體SKIPIF1<0的四個(gè)頂點(diǎn)都在同一球面上,則該球的體積為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<0第II卷(非選擇題)二、填空題21.已知菱形SKIPIF1<0的邊長(zhǎng)為SKIPIF1<0,SKIPIF1<0,若沿對(duì)角線SKIPIF1<0將SKIPIF1<0折起,所得的二面角SKIPIF1<0為鈍二面角,且A,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0四點(diǎn)所在球的表面積為SKIPIF1<0,則四面體SKIPIF1<0的體積為_(kāi)_______.22.已知三棱錐SKIPIF1<0中,SKIPIF1<0底面SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,則三棱錐SKIPIF1<0外接球的表面積為_(kāi)__________.23.如圖,三棱錐SKIPIF1<0的四個(gè)頂點(diǎn)都在球SKIPIF1<0的球面上,SKIPIF1<0,SKIPIF1<0是邊長(zhǎng)為6的正三角形,二面角SKIPIF1<0的大小為120°,則球SKIPIF1<0的體積為_(kāi)_____.24.已知四面體SKIPIF1<0中SKIPIF1<0和SKIPIF1<0是等邊三角形,二面角SKIPIF1<0為直二面角.若SKIPIF1<0,則四面體SKIPIF1<0外接球的體積為_(kāi)______.25.已知矩形SKIPIF1<0中,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0是SKIPIF1<0邊的中點(diǎn).現(xiàn)以SKIPIF1<0為折痕將SKIPIF1<0折起,當(dāng)三棱錐SKIPIF1<0的體積最大時(shí),該三棱錐外接球的體積為_(kāi)__________.26.在一次數(shù)學(xué)探究活動(dòng)中,某手工制作小組利用硬紙板做了一個(gè)如圖所示的幾何模型,底面SKIPIF1<0為矩形,SKIPIF1<0,半圓面SKIPIF1<0底面SKIPIF1<0.經(jīng)研究發(fā)現(xiàn),當(dāng)點(diǎn)P在半圓弧SKIPIF1<0上(不含A,D點(diǎn))運(yùn)動(dòng)時(shí),四棱錐SKIPIF1<0的外接球始終保持不變,則該外接球的體積為_(kāi)___.28.四棱錐SKIPIF1<0的各頂點(diǎn)都在同一球面上,SKIPIF1<0底面SKIPIF1<0,底面SKIPIF1<0為梯形,SKIPIF1<0,且SKIPIF1<0,則此球的體積等于______.29.空間四面體SKIPIF1<0中,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,則該四面體的外接球的表面積為_(kāi)________30.在三棱錐SKIPIF1<0中,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,則該三棱錐外接球的半徑為_(kāi)__________.31.如圖,在底面邊長(zhǎng)為4,高為6的正四棱柱中,大球與該正四棱柱的五個(gè)面均相切,小球在大球上方且與該正四棱柱的三個(gè)面相切,也與大球相切,則小球的半徑為_(kāi)____________.32.已知三棱錐SKIPIF1<0的四個(gè)頂點(diǎn)都在球SKIPIF1<0的表面上,SKIPIF1<0平面SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,若SKIPIF1<0為SKIPIF1<0的中點(diǎn),過(guò)點(diǎn)SKIPIF1<0作球SKIPIF1<0的截面,則截面面積的最小值是___________.33.在三棱錐SKIPIF1<0中,SKIPIF1<0和SKIPIF1<0都是邊長(zhǎng)為SKIPIF1<0的正三角形,SKIPIF1<0.若SKIPIF1<0為三棱錐SKIPIF1<0外接球上的動(dòng)點(diǎn),則點(diǎn)SKIPIF1<0到平面SKIPIF1<0距離的最大值為_(kāi)________.34.球SKIPIF1<0的球面上有四點(diǎn)SKIPIF1<0、SKIPIF1<0、SKIPIF1<0、SKIPIF1<0,其中SKIPIF1<0、SKIPIF1<0、SKIPIF1<0、SKIPIF1<0四點(diǎn)共面,SKIPIF1<0是邊長(zhǎng)為SKIPIF1<0的正三角形,平面SKIPIF1<0平面SKIPIF1<0,則棱錐SKIPIF1<0體積的最大值為_(kāi)__________35.已知球SKIPIF1<0為三棱錐SKIPIF1<0外接球,SKIPIF1<0為邊長(zhǎng)為1的等邊三角形,SKIPIF1<0,SKIPIF1<0,且SKIPIF1<0,則球SKIPIF1<0的表面積為_(kāi)_____36.在正三棱錐SKIPIF1<0中,SKIPIF1<0?SKIPIF1<0分別是棱SKIPIF1<0?SKIPIF1<0的中點(diǎn),且SKIPIF1<0,若側(cè)棱SKIPIF1<0,則該正三棱錐外接球的體積是___________.37.在菱形SKIPIF1<0中,SKIPIF1<0,SKIPIF1<0,將SKIPIF1<0沿SKIPIF1<0折起到SKIPIF1<0的位置,若二面角SKIPIF1<0的大小為SKIPIF1<0,則三棱錐SKIPIF1<0的外接球的表面積為_(kāi)__________.38.已知長(zhǎng)方體SKIPIF1<0中,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0與平面SKIPIF1<0所成角的正弦值為SKIPIF1<0,則該長(zhǎng)方體的外接球的表面積為_(kāi)__________.39.已知三棱錐SKIPIF1<0,SKIPIF1<0平面ABC,SKIPIF1<0,SKIPIF1<0,直線SB和平面ABC所成的角大小為SKIPIF1<0.若三棱錐SKIPIF1<0的四個(gè)頂點(diǎn)都在同一球面上,則該球的表面積為_(kāi)_______.40.在四棱錐SKIPIF1<0中,若SKIPIF1<0SKIPIF1<0,四棱錐SKIPIF1<0外接球表面積為_(kāi)_________.任務(wù)三:邪惡模式(困難)1-20題一、單選題1.已知點(diǎn)SKIPIF1<0?SKIPIF1<0?SKIPIF1<0?SKIPIF1<0都在球SKIPIF1<0的球面上,SKIPIF1<0,△SKIPIF1<0是邊長(zhǎng)為1的等邊三角形,SKIPIF1<0與平面SKIPIF1<0所成角的正弦值為SKIPIF1<0,若SKIPIF1<0,則球SKIPIF1<0的表面積為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<02.在三棱錐SKIPIF1<0中,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0.若三棱錐SKIPIF1<0的體積為1,則該三棱錐外接球的表面積為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<03.已知四棱錐SKIPIF1<0中,側(cè)面SKIPIF1<0底面SKIPIF1<0,SKIPIF1<0,且SKIPIF1<0SKIPIF1<0,則此四棱錐外接球的表面積等于()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<04.已知直四棱柱SKIPIF1<0,其底面SKIPIF1<0是平行四邊形,外接球體積為SKIPIF1<0,若SKIPIF1<0,則其外接球被平面SKIPIF1<0截得圖形面積的最小值為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<05.已知邊長(zhǎng)為SKIPIF1<0的菱形SKIPIF1<0,SKIPIF1<0,沿對(duì)角線SKIPIF1<0把SKIPIF1<0折起,二面角SKIPIF1<0的平面角是SKIPIF1<0,則三棱錐SKIPIF1<0的外接球的表面積是()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<06.在三棱錐SKIPIF1<0中,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,則該三棱錐的外接球的表面積為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<07.在菱形SKIPIF1<0中,SKIPIF1<0,SKIPIF1<0,將△SKIPIF1<0沿SKIPIF1<0折起到△SKIPIF1<0的位置,二面角SKIPIF1<0的大小為SKIPIF1<0,則三棱錐SKIPIF1<0的外接球的表面積為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<08.已知三棱錐SKIPIF1<0的四個(gè)頂點(diǎn)在球SKIPIF1<0的球面上,SKIPIF1<0平面SKIPIF1<0,SKIPIF1<0,SKIPIF1<0與平面SKIPIF1<0所成的角為SKIPIF1<0,則球SKIPIF1<0的表面積為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<09.已知三棱錐SKIPIF1<0中,SKIPIF1<0平面SKIPIF1<0,SKIPIF1<0,SKIPIF1<0,則三棱錐SKIPIF1<0體積最大時(shí),其外接球的體積為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<010.已知球SKIPIF1<0內(nèi)接正四面體SKIPIF1<0,SKIPIF1<0為棱SKIPIF1<0的中點(diǎn),SKIPIF1<0是棱SKIPIF1<0上的一點(diǎn),且SKIPIF1<0,則球SKIPIF1<0與四面體SKIPIF1<0的體積比為()A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<0第II卷(非選擇題)二、填空題11.在梯形SKIPIF1<0中,SKIPIF1<0,SKIPIF1<0,SKIPIF1<0為SKIPIF1<0的中點(diǎn),將SKIPIF1<0沿直線SKIPIF1<0翻折成SKIPIF1<0,當(dāng)三棱錐SKIPIF1<0的體積最大時(shí),過(guò)點(diǎn)SKIPIF1<0
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