{"id":4862,"date":"2020-04-23T18:14:11","date_gmt":"2020-04-23T11:14:11","guid":{"rendered":"https:\/\/bacdau.vn\/?post_type=kb&#038;p=4862"},"modified":"2023-09-25T16:07:14","modified_gmt":"2023-09-25T09:07:14","slug":"dinh-nghia-va-tinh-chat-tiep-tuyen-va-day-cung-o-duong-tron","status":"publish","type":"kb","link":"https:\/\/bacdau.vn\/kb\/dinh-nghia-va-tinh-chat-tiep-tuyen-va-day-cung-o-duong-tron\/","title":{"rendered":"\u0110\u1ecbnh ngh\u0129a v\u00e0 t\u00ednh ch\u1ea5t ti\u1ebfp tuy\u1ebfn v\u00e0 d\u00e2y cung \u1edf \u0111\u01b0\u1eddng tr\u00f2n"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u0110\u1ecbnh ngh\u0129a v\u00e0 t\u00ednh ch\u1ea5t ti\u1ebfp tuy\u1ebfn v\u00e0 d\u00e2y cung \u1edf \u0111\u01b0\u1eddng tr\u00f2n l\u00e0 v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p trong h\u00ecnh h\u1ecdc. Vi\u1ec7c n\u1eafm r\u00f5 c\u00e1c kh\u00e1i ni\u1ec7m c\u0169ng nh\u01b0 \u0111\u1ecbnh l\u00fd, t\u00ednh ch\u1ea5t c\u1ea3 ch\u00fang s\u1ebd gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng t\u00ecm \u0111\u01b0\u1ee3c \u0111\u00e1p \u00e1n khi gi\u1ea3i c\u00e1c b\u00e0i to\u00e1n. \u0110\u1ec3 t\u00ecm hi\u1ec3u chi ti\u1ebft v\u1ec1 ki\u1ebfn th\u1ee9c n\u00e0y, h\u00e3y c\u00f9ng tham kh\u1ea3o ngay b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y c\u1ee7a bacdau.vn nh\u00e9!<\/span><\/p>\n<h2 style=\"text-align: justify;\"><b>\u0110\u1ecbnh ngh\u0129a v\u00e0 t\u00ednh ch\u1ea5t ti\u1ebfp tuy\u1ebfn \u1edf \u0111\u01b0\u1eddng tr\u00f2n<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tuy\u1ebfn t\u00ednh l\u00e0 \u0111\u01b0\u1eddng th\u1eb3ng ti\u1ebfp x\u00fac \u0111\u01b0\u1eddng tr\u00f2n t\u1ea1i m\u1ed9t \u0111i\u1ec3m duy nh\u1ea5t. \u0110i\u1ec3m chung n\u00e0y g\u1ecdi l\u00e0 ti\u1ebfp \u0111i\u1ec3m.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">T\u00ednh ch\u1ea5t c\u1ee7a ti\u1ebfp tuy\u1ebfn:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Ti\u1ebfp tuy\u1ebfn c\u1ee7a \u0111\u01b0\u1eddng tr\u00f2n l\u00e0 \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c \u0111\u1ea7u m\u00fat b\u00e1n k\u00ednh n\u1eb1m tr\u00ean \u0111\u01b0\u1eddng tr\u00f2n. Ng\u01b0\u1ee3c laij, \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi b\u00e1n k\u00ednh t\u1ea1i \u0111i\u1ec3m giao nhau gi\u1eefa \u0111\u01b0\u1eddng tr\u00f2n v\u00e0 b\u00e1n k\u00ednh ch\u00ednh l\u00e0 ti\u1ebfp tuy\u1ebfn.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u0110\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi ti\u1ebfp tuy\u1ebfn t\u1ea1i \u0111i\u1ec3m ti\u1ebfp x\u00fac v\u1edbi \u0111\u01b0\u1eddng tr\u00f2n th\u00ec \u0111i qua t\u00e2m.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">T\u1eeb m\u1ed9t \u0111i\u1ec3m n\u1eb1m ngo\u00e0i \u0111\u01b0\u1eddng tr\u00f2n lu\u00f4n v\u1ebd \u0111\u01b0\u1ee3c hai ti\u1ebfp tuy\u1ebfn v\u1edbi \u0111\u01b0\u1eddng tr\u00f2n.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">2 ti\u1ebfp tuy\u1ebfn c\u1ee7a \u0111\u01b0\u1eddng tr\u00f2n c\u1eaft nhau t\u1ea1i \u0111i\u1ec3m b\u1ea5t k\u1ef3, \u0111i\u1ec3m \u0111\u00f3 s\u1ebd c\u00f3 kho\u1ea3ng c\u00e1ch c\u00e1ch \u0111\u1ec1u 2 ti\u1ebfp \u0111i\u1ec3m. Theo \u0111\u00f3, tia k\u1ebb t\u1eeb \u0111i\u1ec3m c\u1eaft nhau \u0111i qua t\u00e2m \u0111\u01b0\u1eddng tr\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 tia ph\u00e2n gi\u00e1c g\u00f3c t\u1ea1o b\u1edfi 2 ti\u1ebfp tuy\u1ebfn. Tia k\u1ebb t\u1eeb t\u00e2m \u0111i qua \u0111i\u1ec3m c\u1eaft nhau \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 tia ph\u00e2n gi\u00e1c c\u1ee7a 2 b\u00e1n k\u00ednh \u0111i qua c\u00e1c ti\u1ebfp \u0111i\u1ec3m.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">N\u1ebfu hai ti\u1ebfp tuy\u1ebfn t\u1ea1i A v\u00e0 B v\u1edbi \u0111\u01b0\u1eddng tr\u00f2n t\u00e2m O c\u1eaft nhau t\u1ea1i P th\u00ec g\u00f3c BOA v\u00e0 g\u00f3c BPA b\u00f9 nhau.<\/span><\/li>\n<\/ul>\n<h2 style=\"text-align: justify;\"><b>\u0110\u1ecbnh ngh\u0129a v\u00e0 t\u00ednh ch\u1ea5t c\u1ee7a d\u00e2y cung \u1edf \u0111\u01b0\u1eddng tr\u00f2n<\/b><\/h2>\n<figure id=\"attachment_5018\" aria-describedby=\"caption-attachment-5018\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-5018\" src=\"https:\/\/bacdau.vn\/wp-content\/uploads\/2020\/04\/dinh-nghia-va-tinh-chat-tiep-tuyen-va-day-cung-o-duong-tron-2.jpg\" alt=\"\u0110\u1ecbnh ngh\u0129a v\u00e0 t\u00ednh ch\u1ea5t ti\u1ebfp tuy\u1ebfn v\u00e0 d\u00e2y cung \u1edf \u0111\u01b0\u1eddng tr\u00f2n\" width=\"800\" height=\"909\" srcset=\"https:\/\/bacdau.vn\/wp-content\/uploads\/2020\/04\/dinh-nghia-va-tinh-chat-tiep-tuyen-va-day-cung-o-duong-tron-2.jpg 800w, https:\/\/bacdau.vn\/wp-content\/uploads\/2020\/04\/dinh-nghia-va-tinh-chat-tiep-tuyen-va-day-cung-o-duong-tron-2-264x300.jpg 264w, https:\/\/bacdau.vn\/wp-content\/uploads\/2020\/04\/dinh-nghia-va-tinh-chat-tiep-tuyen-va-day-cung-o-duong-tron-2-768x873.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-5018\" class=\"wp-caption-text\">\u0110o\u1ea1n th\u1eb3ng m\u00e0u \u0111\u1ecf BX l\u00e0 d\u00e2y cung<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">D\u00e2y cung \u0111\u01b0\u1eddng tr\u00f2n hay c\u00f2n g\u1ecdi t\u1eaft l\u00e0 d\u00e2y. \u0110\u00e2y l\u00e0 \u0111o\u1ea1n th\u1eb3ng c\u00f3 2 \u0111\u1ea7u m\u00fat n\u1eb1m tr\u00ean \u0111\u01b0\u1eddng tr\u00f2n.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Ngo\u00e0i ra, c\u00e1t tuy\u1ebfn c\u0169ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 \u0111\u01b0\u1eddng th\u1eb3ng ch\u1ee9a d\u00e2y cung.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">C\u00e1c t\u00ednh ch\u1ea5t c\u1ee7a d\u00e2y cung \u1edf \u0111\u01b0\u1eddng tr\u00f2n:<\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">C\u00e1c d\u00e2y cung c\u00e1ch \u0111\u1ec1u t\u00e2m khi ch\u00fang c\u00f3 chi\u1ec1u d\u00e0i b\u1eb1ng nhau.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u0110\u01b0\u1eddng trung tr\u1ef1c c\u1ee7a d\u00e2y cung \u0111i qua t\u00e2m \u0111\u01b0\u1eddng tr\u00f2n.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Trong tr\u01b0\u1eddng h\u1ee3p c\u1ea3 2 \u0111\u01b0\u1eddng th\u1eb3ng ch\u1ee9a d\u00e2y cung AB, CD c\u00f9ng thu\u1ed9c m\u1ed9t \u0111\u01b0\u1eddng tr\u00f2n c\u1eaft nhau t\u1ea1i \u0111i\u1ec3m P ta g\u1ecdi ch\u00fang l\u00e0 hai c\u00e1t tuy\u1ebfn v\u00e0 c\u00f3 h\u1ec7 th\u1ee9c: PA x PB = PC x PD (t\u00ednh ch\u1ea5t ph\u01b0\u01a1ng t\u00edch c\u1ee7a m\u1ed9t \u0111i\u1ec3m).<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Trong tr\u01b0\u1eddng h\u1ee3p 2 g\u00f3c c\u00f9ng n\u1eb1m tr\u00ean m\u1ed9t \u0111\u01b0\u1eddng tr\u00f2n ch\u1eafn 2 d\u00e2y cung b\u1eb1ng nhau ho\u1eb7c c\u00f9ng 1 d\u00e2y cung th\u00ec ch\u00fang c\u00f3 s\u1ed1 \u0111o b\u1eb1ng nhau.<\/span><\/li>\n<\/ul>\n<h3 style=\"text-align: justify;\"><b>G\u00f3c t\u1ea1o b\u1edfi ti\u1ebfp tuy\u1ebfn v\u00e0 d\u00e2y cung<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Tia ti\u1ebfp tuy\u1ebfn v\u00e0 d\u00e2y cung k\u1ebft h\u1ee3p v\u1edbi nhau s\u1ebd t\u1ea1o th\u00e0nh g\u00f3c c\u00f3 \u0111\u1ec9nh n\u1eb1m tr\u00ean \u0111\u01b0\u1eddng tr\u00f2n. Trong \u0111\u00f3, m\u1ed9t c\u1ea1nh c\u1ee7a g\u00f3c n\u00e0y s\u1ebd ch\u1ee9a ti\u1ebfp tuy\u1ebfn v\u00e0 c\u1ea1nh c\u00f2n l\u1ea1i ch\u1ee9a d\u00e2y cung c\u1ee7a \u0111\u01b0\u1eddng tr\u00f2n \u0111\u00f3.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>\u0110\u1ecbnh l\u00fd<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">S\u1ed1 \u0111o c\u1ee7a g\u00f3c t\u1ea1o b\u1edfi d\u00e2y cung \u0111\u01b0\u1eddng tr\u00f2n v\u00e0 tia ti\u1ebfp tuy\u1ebfn \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng \u00bd g\u00f3c c\u1ee7a cung b\u1ecb ch\u1eafn.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><b>H\u1ec7 qu\u1ea3<\/b><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Trong \u0111\u01b0\u1eddng tr\u00f2n, g\u00f3c \u0111\u01b0\u1ee3c t\u1ea1o b\u1edfi d\u00e2y cung v\u00e0 tia ti\u1ebfp tuy\u1ebfn c\u00f3 s\u1ed1 \u0111o b\u1eb1ng g\u00f3c n\u1ed9i ti\u1ebfp c\u00f9ng ch\u1eafn d\u00e2y cung \u0111\u00f3.<\/span><\/p>\n<p style=\"text-align: justify;\"><i><span style=\"font-weight: 400;\">Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n, quan tr\u1ecdng nh\u1ea5t c\u1ee7a \u0111\u1ecbnh ngh\u0129a, t\u00ednh ch\u1ea5t ti\u1ebfp tuy\u1ebfn v\u00e0 d\u00e2y cung \u0111\u01b0\u1eddng tr\u00f2n. Hy v\u1ecdng c\u00e1c th\u00f4ng tin n\u00e0y s\u1ebd gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng t\u00ecm \u0111\u01b0\u1ee3c \u0111i\u1ec3m m\u1ea5u ch\u1ed1t \u0111\u1ec3 gi\u1ea3i c\u00e1c b\u00e0i to\u00e1n h\u00ecnh h\u1ecdc trong tr\u01b0\u1eddng tr\u00ecnh ph\u1ed5 th\u00f4ng.<\/span><\/i><\/p>\n<p style=\"text-align: justify;\"><strong><i>Xem th\u00eam: <\/i><\/strong><strong><a href=\"http:\/\/bacdau.vn\/cong-thuc-hoa-hoc\/\"><i>C\u00f4ng Th\u1ee9c H\u00f3a H\u1ecdc<\/i><\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u1ecbnh ngh\u0129a v\u00e0 t\u00ednh ch\u1ea5t ti\u1ebfp tuy\u1ebfn v\u00e0 d\u00e2y cung \u1edf \u0111\u01b0\u1eddng tr\u00f2n l\u00e0 v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p trong h\u00ecnh h\u1ecdc. Vi\u1ec7c n\u1eafm r\u00f5 c\u00e1c kh\u00e1i ni\u1ec7m c\u0169ng nh\u01b0 \u0111\u1ecbnh l\u00fd, t\u00ednh ch\u1ea5t c\u1ea3 ch\u00fang s\u1ebd gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng t\u00ecm \u0111\u01b0\u1ee3c \u0111\u00e1p \u00e1n khi gi\u1ea3i c\u00e1c b\u00e0i to\u00e1n. \u0110\u1ec3 t\u00ecm hi\u1ec3u chi ti\u1ebft v\u1ec1 ki\u1ebfn th\u1ee9c n\u00e0y, h\u00e3y c\u00f9ng tham kh\u1ea3o ngay b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y c\u1ee7a bacdau.vn nh\u00e9!<\/p>\n","protected":false},"author":1,"featured_media":5019,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}}},"kbtopic":[764],"kbtag":[766],"_links":{"self":[{"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kb\/4862"}],"collection":[{"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kb"}],"about":[{"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/types\/kb"}],"author":[{"embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/comments?post=4862"}],"version-history":[{"count":3,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kb\/4862\/revisions"}],"predecessor-version":[{"id":8278,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kb\/4862\/revisions\/8278"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/media\/5019"}],"wp:attachment":[{"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/media?parent=4862"}],"wp:term":[{"taxonomy":"kbtopic","embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kbtopic?post=4862"},{"taxonomy":"kbtag","embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kbtag?post=4862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}