SUBSCRIBESUBSCRIBESUBSCRIBEHomeHistory & SocietyScience & TechBiographiesAnimals & NatureGeography & TravelArts & CultureProConMoneyGames & QuizzesVideosOn This DayOne Good FactDictionaryNew ArticlesHistory & SocietyLifestyles & Social IssuesPhilosophy & ReligionPolitics, Law & GovernmentWorld HistoryScience & TechHealth & MedicineScienceTechnologyBiographiesBrowse BiographiesAnimals & NatureBirds, Reptiles & Other VertebratesEnvironmentFossils & Geologic TimeInsects & Other InvertebratesMammalsPlantsGeography & TravelGeography & TravelArts & CultureEntertainment & Pop CultureLiteratureSports & RecreationVisual ArtsImage GalleriesPodcastsSummariesTop QuestionsLists and StoriesBritannica KidsAsk the ChatbotGames & QuizzesHistory & SocietyScience & TechBiographiesAnimals & NatureGeography & TravelArts & CultureProConMoneyVideosconic sectionIntroductionAnalytic definitionGreek originsPost-Greek applicationsReferences & Edit HistoryQuick Facts & Related TopicsImagesconic section summaryNumbers and MathematicsIs mathematics a physical science?When did science begin?Where was science invented?HomeScienceMathematicsFacebookXhttps://www.britannica.com/facts/conic-sectionThe Information Architects of Encyclopaedia Britannica
The Information Architects maintain a master list of the topics included in the corpus of
Encyclopædia Britannica, and create and manage the relationships between them.See All Images →latus rectumdirectrixeccentricityfocusparabolaellipsehyperbolacircleFermatâs parabolaeccentric circlecatenaryspiralLissajous figurerhumb lineinvolutebrachistochroneorthogonal trajectorycurvaturetangentslopeprojective geometry: Projective conic sectionsBlaise PascalApollonius of PergaGirard DesarguesColin MaclaurinConon of SamosCharles-Julien BrianchonMenaechmusNumbers and MathematicsFacebookXYouTubeInstagramAbout Us & Legal InfoAdvertisingContact UsPrivacy PolicyTerms of UseEqual Opportunity
智能索引记录
-
2026-04-16 02:42:33
电商商城
成功
标题：Ni8网联科技-深圳专业网站建设、软件定制、小程序开发、物联网开发公司-深圳市网联信息科技开发有限公司
简介：网联科技是深圳专业的网站制作外包公司提供品牌网站制作商城网站开发小程序开发软件定制开发，20年来为2万多家企业打造高品牌
-
2026-04-12 23:09:42
综合导航
成功
标题：Find the right Top business hotels in Guilin (Guangxi Zhuang Autonomous Region)
简介：Book hotels with HRS and save up to 50%: Enjoy exclusive ben
-
2026-04-13 13:08:27
综合导航
成功
标题：Articles by Lucy Miller, Freelance writer T3
简介：Discover the latest content written by Lucy Miller, Freelanc
-
2026-04-13 13:17:25
综合导航
成功
标题：第342章恶劣_北雄_河边草_新笔趣阁(56xu.com)
简介：北雄无防盗章节,作者河边草,第342章恶劣内容简要：显然，她对突厥人的权力之争，也不感兴趣。“雄狮到了哪里都是雄狮，不会
-
2026-04-13 12:59:45
游戏娱乐
成功
标题：网易困在游戏里 - 谈天说地 - 34楼
简介：游戏“养家” 编者按：本文来自微信公众号 价值星球Planet （ID：ValuePlanet），作者：喀戎，编辑：唐飞