在三棱锥P-ABC中,PA=PB,PA⊥PB,AB⊥BC,∠BAC=30°,平面PAB⊥平面ABC.(3)求异面直线AB与PC所成角的大小.(1)求证:PA⊥平面PBC.(2)求二面角P-AC-B的大小
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/06 10:54:12
![在三棱锥P-ABC中,PA=PB,PA⊥PB,AB⊥BC,∠BAC=30°,平面PAB⊥平面ABC.(3)求异面直线AB与PC所成角的大小.(1)求证:PA⊥平面PBC.(2)求二面角P-AC-B的大小](/uploads/image/z/13964240-56-0.jpg?t=%E5%9C%A8%E4%B8%89%E6%A3%B1%E9%94%A5P-ABC%E4%B8%AD%2CPA%3DPB%2CPA%E2%8A%A5PB%2CAB%E2%8A%A5BC%2C%E2%88%A0BAC%3D30%C2%B0%2C%E5%B9%B3%E9%9D%A2PAB%E2%8A%A5%E5%B9%B3%E9%9D%A2ABC.%283%29%E6%B1%82%E5%BC%82%E9%9D%A2%E7%9B%B4%E7%BA%BFAB%E4%B8%8EPC%E6%89%80%E6%88%90%E8%A7%92%E7%9A%84%E5%A4%A7%E5%B0%8F.%EF%BC%881%EF%BC%89%E6%B1%82%E8%AF%81%EF%BC%9APA%E2%8A%A5%E5%B9%B3%E9%9D%A2PBC.%EF%BC%882%EF%BC%89%E6%B1%82%E4%BA%8C%E9%9D%A2%E8%A7%92P-AC-B%E7%9A%84%E5%A4%A7%E5%B0%8F)
xT]OF+}i") fPm+!]
X 8(?OiVUx|gs&uj"duz&,akF0XZ#U[X]7E&T7xZK>&mѠ=QSqʫ`jG"\3__~_~z/hɵMF4}\V/*wx?+r9S!N=-'XBmF*ɃO=P=JKFY>d3f,,3|5+_,jJ`"JRGT5S⾻L8Di]:즾G-+/G/.xïNC"(⭭<ƚp:(ўY7F}< nAt_
¨vm![^>Fn&&\| gezii>lH>x249a[@nuo:p0hTCǖB ?i3iU$?\~UlѽGlf QΊ_mp=ise|C)v'E! 4Cp.a4,\Լ.!L%n¨OeF/`atRc}V4SIT">{5z\