{"id":635,"date":"2024-07-03T10:18:50","date_gmt":"2024-07-03T10:18:50","guid":{"rendered":"https:\/\/study.madeeasy.in\/?p=635"},"modified":"2025-07-16T14:54:04","modified_gmt":"2025-07-16T09:24:04","slug":"fore-bearing-and-back-bearing","status":"publish","type":"post","link":"https:\/\/www.madeeasy.in\/study\/ce\/surveying\/fore-bearing-and-back-bearing","title":{"rendered":"FORE BEARING AND BACK BEARING"},"content":{"rendered":"\r\n<ul>\r\n<li>Fore bearing (abbreviated as <em>FB<\/em>) is the bearing of the line in the direction of progress of survey while back bearing (abbreviated as <em>BB<\/em>) is the bearing of the line opposite to the direction of progress of survey.<\/li>\r\n<li>The difference of <em>FB <\/em>and <em>BB <\/em>of a line is always 180\u00b0 if both the stations are perfectly free from local attractions.<\/li>\r\n<\/ul>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-383 aligncenter\" src=\"http:\/\/study.madeeasy.in\/wp-content\/uploads\/2024\/07\/fb-bb.jpg\" alt=\"FB and BB\" width=\"397\" height=\"264\" \/> <strong>Relationship between fore bearing and back bearing<\/strong><\/p>\r\n<ul>\r\n<li>If the fore bearing of a line is given, it is possible to determine the back bearing and vice versa.<\/li>\r\n<\/ul>\r\n<ol>\r\n<li>If the fore bearing of a line is given as the whole circle bearing,<\/li>\r\n<\/ol>\r\n<p style=\"text-align: center;\">Back bearing = Fore bearing + 180\u00b0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 if F.B. &lt; 180\u00b0<\/p>\r\n<p style=\"text-align: center;\">and Back bearing = Fore bearing \u2013 180\u00b0\u00a0 \u00a0 \u00a0 if F.B. &gt; 180\u00b0<\/p>\r\n\r\n\r\n\r\n<p style=\"text-align: center;\"><a class=\"btn btn-danger\" role=\"button\" href=\"https:\/\/study.madeeasy.in\/ce\/surveying\/traversing-methods\/\" target=\"_blank\" rel=\"noopener\">&lt;&lt; Previous<\/a> | <a class=\"btn btn-success\" role=\"button\" href=\"https:\/\/study.madeeasy.in\/ce\/surveying\/magnetic-declination\/\" target=\"_blank\" rel=\"noopener\"> Next &gt;&gt;<\/a> <br \/><strong> Must Read: <\/strong> <a href=\"https:\/\/study.madeeasy.in\/subjects\/what-is-surveying\/\" target=\"_blank\" rel=\"noopener\"><strong>What is Surveying?<\/strong><\/a><\/p>\r\n<p>&nbsp;<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>Fore bearing (abbreviated as FB) is the bearing of the line in the direction of progress of survey while back<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[203,2],"tags":[214,215],"class_list":["post-635","post","type-post","status-publish","format-standard","hentry","category-surveying","category-ce","tag-back-bearing","tag-fore-bearing"],"_links":{"self":[{"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/posts\/635","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/comments?post=635"}],"version-history":[{"count":0,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/posts\/635\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/media?parent=635"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/categories?post=635"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/tags?post=635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}