三棱锥的高
![一个正三棱锥的底面边长是,高为,则它的斜高是( )a. b. c. d.](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E969B8273140712E038E708C7339F2EA3AB534835927C38F28A59929F3F5871A8B27D2CF7185F50FE0D484A9869D3892A5851C0C72D92B3B57A6D784B1F7B492ED03ADFA83ACE058CE04CF335B804B1A56)
一个正三棱锥的底面边长是,高为,则它的斜高是( )a. b. c. d.
图片尺寸296x227![若正三棱锥的侧棱与底面边长都为1 求该棱锥的高](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83794D485D2228D15D952E8A0DAAE0B7DA39FADE0E9C0EEC15CA84986F713D8AD53A8F842911BDA98B14CFF813511733F19AC106A7853424C8DBADCA7B2D79A702746CFF9A6C9767195331EE9648F02C35)
若正三棱锥的侧棱与底面边长都为1 求该棱锥的高
图片尺寸754x1008![三棱锥的高到底怎么画?求大神解?](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E833E0157D2AF1619EADF477708D8A015F889516D77FFF99A377FBCA69AF2A6FF5225EB539C71CD7045F506FE0D36738E17072A9BA1BAD151CBA170A27A285372732FD34E56515C9179E1EA6C2C2A4F724D)
三棱锥的高到底怎么画?求大神解?
图片尺寸350x209![图为正三棱锥,设ao为高,连bo交cd于f,则为什么of=三分之一bf?](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83A5A7DE1D4AE3CBF93D60595FF16EDE4481085ECB3559F05D43A50FAAA994AC8EA9EB7BD75777C11B6FDAF6C1AD0909425D54082FBBD9047C2C18C7EE8C7A726ADDF32E78EE3CEEAE1250A657AB11A6DC)
图为正三棱锥,设ao为高,连bo交cd于f,则为什么of=三分之一bf?
图片尺寸372x440![正三棱锥的高怎么求](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9EF007A7AFE05C97FD439BB288908A982DF7435CC2D899F12A525CAF38D40232685E293E2B92371303F632EDA0B3649B80821EAC6280E18448A5DE3A7F9F6CDF47BBD0911067EA55DA35EC55CB183A242)
正三棱锥的高怎么求
图片尺寸600x328![三棱锥的高怎么(画图形解) 如何求三棱锥的高?](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E837EC54E054F7BD0994D2F1B3B445957547BA5F21602C19BEF3FCF1311A58BB274AB0A618E0332CAEE90E10C466504163C0C0A67643AF8F581EEC9F7E246520D41E719100B99FB5847B63E76854CE28851)
三棱锥的高怎么(画图形解) 如何求三棱锥的高?
图片尺寸377x342![如图,为三棱锥的高,, 在棱上,且.【参考答案】](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73B4C169C1EE64E333F8EC84F6DBDD157C2C0DDB7EEFD329B213DFC0C54344E41C4127BAB2EB766F8E7EB74839607217E21DEBF2538606E9421441B651DF0DAA85236C433C3D8744E233AF0A1B50A7CEA3)
如图,为三棱锥的高,, 在棱上,且.【参考答案】
图片尺寸1427x983![棱锥的侧面均为等腰直角三角形,侧棱长为1,那么这个三棱锥的高是多少](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E94AEDFA5DBDD8DF17EB0D6E9E51FBBDC0509390D26CC6205D7E7ED14283618674ABB54BB33DC0682DDA0792C173F065BD215EAD219FC1CAEDF9DECB18AB3E4F1ACE5694B7410F8E456DE7056D489FBE12)
棱锥的侧面均为等腰直角三角形,侧棱长为1,那么这个三棱锥的高是多少
图片尺寸365x308![本题满分12分已知正三棱锥的高为1底面边长为2其内有一个球和该三棱锥](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9B9A54B2CD0777AF0E7870FD995E084B4277C0794E9897086DCD0A090C13C860538259DCE0D756A328EC4E0156788F974D36129FE97BF64B05BD94E8999E9DC0BC0D6ECC44E3B6074E24886A732F703D8)
本题满分12分已知正三棱锥的高为1底面边长为2其内有一个球和该三棱锥
图片尺寸863x1125![正三棱锥的侧面积是底面积的2倍,它的高为3,求此三棱锥的面积](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73E3872A6532FFEF73B1E7F28C2A522013DC4FCC3F0A552540876DD6E500055CAC71267EC9D109983CAC6A543D1E07DD233CCC5FA65E0E4E08ECEC0498321F9C6968E269DD9D5C6FFE09E6E67279BF17AF)
正三棱锥的侧面积是底面积的2倍,它的高为3,求此三棱锥的面积
图片尺寸600x375![正三棱锥v-abc,vo为高,ab=6,vo=根号6 ,求侧棱长及斜高.](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A736EDDC80C7A673C61D57094463D2F0E6878FB8CAE1C06482807EF03BE64B920B0CDE9DD26465C492F805F249D78C59A63B610E9B3BA9E43056F4455F5ABA7DB3476BDB847868DF3673F2DE10A4A8D91DD)
正三棱锥v-abc,vo为高,ab=6,vo=根号6 ,求侧棱长及斜高.
图片尺寸523x407![如图为正三棱锥,o为底面中心,sm为斜高,为什么角amo等于九十度?](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83E3CBF441232AC3E209D2ABD45FE405996FCDBF38A68F6BE97C3D8EBD2A6E1CDD2BCB2E6A458CE77B352E800267BC64D8F78E98A2D5F7E9F9CBFEF582B2BC0A48977E9DD775B719B410A4AAEDEC3A7546)
如图为正三棱锥,o为底面中心,sm为斜高,为什么角amo等于九十度?
图片尺寸768x1024![三棱锥p-abc的高|po|=,底面边长分别为3,4,5,q点在底边上,且斜高pq的](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9E6280330D222155A36B2468E1D0FB797F4A657FE11C1A05DA107C229051C9692E0F1BA56261CF7FF5D886AECEDD3241B20ADEB1D2B9F8C9362FE52C235EE69F7669B48E9C473F10812F26D8A4A73811A)
三棱锥p-abc的高|po|=,底面边长分别为3,4,5,q点在底边上,且斜高pq的
图片尺寸281x247![2019年3月18日我的第一课:三棱锥](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A730AA0353567252D50AC55F70B2D49049972587612943F72A2022AD73EF2950891A3C0B95F8499FAC1936152F78A7E75BC2B88B8F99256916E8FB7B4FDDE041847993BEA65A44D20BC787F1828BA3EFF28)
2019年3月18日我的第一课:三棱锥
图片尺寸4032x3024![已知正三棱锥的高为4,底面积是12根号3,则它的侧棱长是?](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83B9924B362A172D64783EE5B39CBACFA295FAD52CC460A361BEA237D9DE5F598B5DD712C3173AABFE4331EF1DC7472C0D911FA2D66283DB68A4306FD8BB2C4EA7651E2306F006279A3673D382A3D66C57)
已知正三棱锥的高为4,底面积是12根号3,则它的侧棱长是?
图片尺寸450x203![已知正三棱锥s-abc,高so等于a,斜高sm等于2a,求棱锥侧面积与体积](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73C8921F6635B65FE2128D1E6C72C170833D5B102D468DDA03C8CFB7C1072FBB07C5298D680EA4BB3424C6E35AC07220B1C086F0699AE13333C2DA81C9ACFCE28DDB555C0A5C747BDADA5D54D16660BAEA)
已知正三棱锥s-abc,高so等于a,斜高sm等于2a,求棱锥侧面积与体积
图片尺寸3636x1828![sbc是直角三角形; 所以,作sd⊥ac于d,作se⊥bd于e,则se是三棱锥的高](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9CB230447724597D4DFB74DD2D63719763D63D99A0952B5A15F848DA9E23F5A3B373B31B02DA9E9E77A273B01A78470D56C33FC6738AA3096B9AA5F679B64C366AB56ABE78700184DE691EA18BC70B0EA)
sbc是直角三角形; 所以,作sd⊥ac于d,作se⊥bd于e,则se是三棱锥的高
图片尺寸1423x921![cad三棱锥的三视图画法](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73B374BB27DD712789B575E4AA272E234074341868156058DE96040DF9A52BD2089F2537544751D4AF42F69108930B6561E2CE8206E892EBE18727D8CDA4DC20BA7A0C4A67ABF97FB70F4FF10C26ACC1FE)
cad三棱锥的三视图画法
图片尺寸400x247![垂直高4cm顶点距底边3cm斜面高5cm 棱锥的全面积=18 30 12根号2cm2 18](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9B91B30BA7413BA510D5BE39C95571831F9643FF5AABA2BAF680A489A4B7C8985A67336A8935FCA27C358B3D2B500C596A49DCA221D7DB491454DDA0230405150A53B7ED9290C59295D806B9DB847F9BF)
垂直高4cm顶点距底边3cm斜面高5cm 棱锥的全面积=18 30 12根号2cm2 18
图片尺寸374x284![19已知正三棱锥的底面边长为2高为1](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83CC498CCA2358D06137C698BF85EAF77E84A639654907656824B7DF7CB45AB030EF2907F225DBF9C6980875F0B5018D2BC48B4BB4829B158205467D5A6B8A4AF8488F1F4A73754A8E7F6D6863CACAA89C)
19已知正三棱锥的底面边长为2高为1
图片尺寸223x266