{"id":5740,"date":"2021-12-14T10:48:15","date_gmt":"2021-12-14T10:48:15","guid":{"rendered":"https:\/\/stgwebsite.mindspark.in\/studymaterial\/?page_id=5740"},"modified":"2021-12-14T13:33:24","modified_gmt":"2021-12-14T13:33:24","slug":"coordinate-geometry-formulas-solved-examples","status":"publish","type":"page","link":"https:\/\/stgwebsite.mindspark.in\/studymaterial\/math-concepts\/coordinate-geometry-formulas-solved-examples\/","title":{"rendered":"Coordinate geometry \u2013 Formulas, Solved Examples"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;Section&#8221; module_class=&#8221;mainsec&#8221; _builder_version=&#8221;4.10.4&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;#e0f2fd&#8221; z_index=&#8221;1&#8243; custom_padding=&#8221;5px||5px||true|false&#8221; locked=&#8221;off&#8221; collapsed=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row column_structure=&#8221;3_5,2_5&#8243; custom_padding_last_edited=&#8221;on|phone&#8221; _builder_version=&#8221;4.10.8&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;#FFFFFF&#8221; width=&#8221;100%&#8221; max_width=&#8221;1310px&#8221; custom_padding=&#8221;|51px|40px|51px|false|true&#8221; custom_padding_tablet=&#8221;&#8221; custom_padding_phone=&#8221;|40px|30px|40px|false|true&#8221; border_radii=&#8221;on|10px|10px|10px|10px&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;3_5&#8243; admin_label=&#8221;Column L&#8221; _builder_version=&#8221;4.9.10&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text admin_label=&#8221;Acute Angles<br \/>\n&#8221; _builder_version=&#8221;4.11.3&#8243; _module_preset=&#8221;default&#8221; header_font=&#8221;|700|||||||&#8221; header_text_align=&#8221;left&#8221; header_font_size=&#8221;50px&#8221; header_line_height=&#8221;1.18em&#8221; custom_padding=&#8221;|0px||4px|false|false&#8221; header_font_size_tablet=&#8221;&#8221; header_font_size_phone=&#8221;35px&#8221; header_font_size_last_edited=&#8221;on|phone&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h1>Coordinate geometry \u2013 Formulas, Solved Examples<\/h1>\n<p>[\/et_pb_text][et_pb_text admin_label=&#8221;Text&#8221; _builder_version=&#8221;4.13.1&#8243; _module_preset=&#8221;default&#8221; text_font_size=&#8221;16px&#8221; header_2_font=&#8221;|600|||||||&#8221; header_2_text_color=&#8221;#a01414&#8243; header_3_font=&#8221;|600|||||||&#8221; custom_padding=&#8221;15px|15px|54px|4px|false|false&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<h2><b>Coordinate Geometry\u00a0<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Coordinate geometry is used for the representation of two-dimensional figures in the Cartesian plane. In a Cartesian plane &#8216;X&#8217; and &#8216;Y,&#8217; refer to the perpendicular distance of a point from the Y and X-axis respectively. A geometrical figure is represented with the help of points on a coordinate plane in the form of (x,y), where x refers to the x coordinate and y refers to the y coordinate of any point.<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><\/span><\/p>\n<h2><b>Formula:<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The different formulas associated with coordinate geometry are given below:<\/span><\/p>\n<h3><b>1. Section<\/b><b>\u00a0<\/b><b>formula:\u00a0<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Let \u2018P\u2019 (x,y) be an internal point dividing point \u2018A\u2019 with coordinates <span class=\"katex-eq\" data-katex-display=\"false\">\\left(x_{1}, y_{1}\\right)<\/span><\/span><span style=\"font-weight: 400;\">and point \u2018B\u2019 with coordinates <span class=\"katex-eq\" data-katex-display=\"false\">\\left(x_{2}, y_{2}\\right)<\/span><\/span><span style=\"font-weight: 400;\">in the ratio m:n, then the coordinates of P is given by,<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/eistudymaterial.s3.amazonaws.com\/Coordinate-Geometry-edited-2-01-300x74.png\" width=\"600\" height=\"148\" alt=\"\" class=\"wp-image-5743 alignnone size-medium\" srcset=\"https:\/\/eistudymaterial.s3.amazonaws.com\/Coordinate-Geometry-edited-2-01-300x74.png 300w, https:\/\/eistudymaterial.s3.amazonaws.com\/Coordinate-Geometry-edited-2-01-768x189.png 768w, https:\/\/eistudymaterial.s3.amazonaws.com\/Coordinate-Geometry-edited-2-01-480x118.png 480w, https:\/\/eistudymaterial.s3.amazonaws.com\/Coordinate-Geometry-edited-2-01.png 928w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\"><\/span><\/p>\n<h3><b>2. Distance between 2 points:<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">The distance between two points &#8216;A&#8217; with coordinates <span class=\"katex-eq\" data-katex-display=\"false\">\\left(x_{1}, y_{1}\\right)<\/span><\/span><span style=\"font-weight: 400;\">and point \u2018B\u2019 with coordinates <span class=\"katex-eq\" data-katex-display=\"false\">\\left(x_{2}, y_{2}\\right)<\/span><\/span><span style=\"font-weight: 400;\">is given by,<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/eistudymaterial.s3.amazonaws.com\/Coordinate-Geometry-edited-2-02-300x86.png\" width=\"599\" height=\"172\" alt=\"\" class=\"wp-image-5744 alignnone size-medium\" srcset=\"https:\/\/eistudymaterial.s3.amazonaws.com\/Coordinate-Geometry-edited-2-02-300x86.png 300w, https:\/\/eistudymaterial.s3.amazonaws.com\/Coordinate-Geometry-edited-2-02-768x221.png 768w, https:\/\/eistudymaterial.s3.amazonaws.com\/Coordinate-Geometry-edited-2-02-480x138.png 480w, https:\/\/eistudymaterial.s3.amazonaws.com\/Coordinate-Geometry-edited-2-02.png 965w\" sizes=\"(max-width: 599px) 100vw, 599px\" \/><\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\"><\/span><\/p>\n<h3><b>3. The centroid of a triangle:<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Let \u0394ABC be a triangle with vertices <span class=\"katex-eq\" data-katex-display=\"false\">A\\left(x_{1}, y_{1}\\right), B\\left(x_{2}, y_{2}\\right) \\text {, and } C\\left(x_{3}, y_{3}\\right)<\/span><\/span><span style=\"font-weight: 400;\">then the centroid of the triangle is given by,<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/eistudymaterial.s3.amazonaws.com\/Coordinate-Geometry-edited-2-03-300x95.png\" width=\"601\" height=\"190\" alt=\"\" class=\"wp-image-5745 alignnone size-medium\" srcset=\"https:\/\/eistudymaterial.s3.amazonaws.com\/Coordinate-Geometry-edited-2-03-300x95.png 300w, https:\/\/eistudymaterial.s3.amazonaws.com\/Coordinate-Geometry-edited-2-03-768x244.png 768w, https:\/\/eistudymaterial.s3.amazonaws.com\/Coordinate-Geometry-edited-2-03-480x152.png 480w, https:\/\/eistudymaterial.s3.amazonaws.com\/Coordinate-Geometry-edited-2-03.png 965w\" sizes=\"(max-width: 601px) 100vw, 601px\" \/><\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\"><\/span><\/p>\n<h2><b>Solved Examples:<\/b><\/h2>\n<p><b>Q1) What is the centroid of a triangle with vertices A (1, 3), B(2, 2), and C(3, 1)?<\/b><\/p>\n<p><span style=\"font-weight: 400;\"><strong>Ans:<\/strong> The centroid of a triangle with vertices A (1, 3), B(2, 2), and C(3, 1) is:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">X = (1+2+3)\/3 = 2<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Y = (3+2+1)\/3 = 2<\/span><\/p>\n<p><span style=\"font-weight: 400;\">So the coordinate of centroid is (2,2).<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><\/span><\/p>\n<p><b>Q2) What is the distance between points A (8, 8) and B (5, 4)?<\/b><\/p>\n<p><span style=\"font-weight: 400;\"><strong>Ans:<\/strong> The distance between the points A (8, 8) and B (5, 4) is:<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><span class=\"katex-eq\" data-katex-display=\"false\">D=\\sqrt{\\left[(8-5)^{2}-(8-4)\\right]^{2}}=\\sqrt{25}=5 \\text { units }<\/span><\/span><\/p>\n<p><span style=\"font-weight: 400;\"><\/span><\/p>\n<p><b>Q3) What is the coordinate of point C dividing the points A(1,1) and B(3,3) in the ratio 1:1 on a coordinate plane?<\/b><\/p>\n<p><b>Ans:<span style=\"font-weight: 400;\">\u00a0The coordinate of point C dividing the points A(1,1) and B(3,3) in the ratio 1:1 on a coordinate plane is:\u00a0 <\/span><\/b><\/p>\n<p><b><span class=\"katex-eq\" data-katex-display=\"false\">x=\\frac{(1 \\times 1)+(1 \\times 3)}{2}=2 \\text { and } y=\\frac{(1 \\times 1)+(1 \\times 3)}{2}=2<\/span><\/b><\/p>\n<p><span style=\"font-weight: 400;\">So the coordinates of C are (2,2) on the coordinate plane.<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><\/span><\/p>\n<h2><b>Uses of Coordinate Geometry<\/b><b><\/b><\/h2>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Coordinate geometry used in navigation devices.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is used in various editing software for drawing different kinds of shapes and edits.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Pixels of a photo position themselves using coordinate geometry in the camera.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is used in drawing bar graphs, histograms, etc.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\"><\/span><\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;2_5&#8243; 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locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h1>Explore Other Topics<\/h1>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.10.7&#8243; _module_preset=&#8221;default&#8221; text_line_height=&#8221;2.2em&#8221; link_font_size=&#8221;16px&#8221; custom_margin=&#8221;||0px||false|false&#8221; custom_padding=&#8221;10px|15px|10px|28px|true|false&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<div>\n<div class=\"trr\"><a href=\"https:\/\/stgwebsite.mindspark.in\/wordpress\/math-concepts\/#geometry\" class=\"otherc\">Geometry<\/a><\/div>\n<div class=\"trr\"><a href=\"https:\/\/stgwebsite.mindspark.in\/wordpress\/math-concepts\/#trigonometry\" class=\"otherc\">Trigonometry<\/a><\/div>\n<div class=\"trr\"><a href=\"https:\/\/stgwebsite.mindspark.in\/wordpress\/math-concepts\/#operations\" class=\"otherc\">Operations<\/a><\/div>\n<div class=\"trr\"><a href=\"https:\/\/stgwebsite.mindspark.in\/wordpress\/math-concepts\/#numbers\" class=\"otherc\">Numbers<\/a><\/div>\n<\/div>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row admin_label=&#8221;Row for space&#8221; 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_builder_version=&#8221;4.9.10&#8243; _module_preset=&#8221;default&#8221; text_orientation=&#8221;center&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<div class=\"ffmanage\">\n<div class=\"textmanagestyle\">\n<div class=\"fone\">\n<p>Ready to get started ?<\/p>\n<\/div>\n<div class=\"sone\">\n<p class=\"ffbtn\"><a href=\"https:\/\/mindspark.in\/free-trial\">Start Free Trial<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p>[\/et_pb_text][et_pb_image src=&#8221;https:\/\/stgwebsite.mindspark.in\/wordpress\/wp-content\/uploads\/2021\/08\/down-circle.png&#8221; title_text=&#8221;down-circle&#8221; show_bottom_space=&#8221;off&#8221; align=&#8221;right&#8221; module_class=&#8221;img2&#8243; _builder_version=&#8221;4.9.10&#8243; _module_preset=&#8221;default&#8221; width=&#8221;44px&#8221; height=&#8221;18px&#8221; custom_padding=&#8221;2px||2px||true|false&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row admin_label=&#8221;FAQ Row&#8221; _builder_version=&#8221;4.9.11&#8243; _module_preset=&#8221;default&#8221; width=&#8221;100%&#8221; max_width=&#8221;1310px&#8221; custom_padding=&#8221;|40px||40px|false|true&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.9.11&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text admin_label=&#8221;FAQ&#8221; module_class=&#8221;faqstyl&#8221; _builder_version=&#8221;4.13.1&#8243; _module_preset=&#8221;default&#8221; text_font_size=&#8221;16px&#8221; header_font=&#8221;|700|||||||&#8221; header_text_align=&#8221;center&#8221; header_line_height=&#8221;2.5em&#8221; background_color=&#8221;#dbedc6&#8243; max_width=&#8221;80%&#8221; module_alignment=&#8221;center&#8221; custom_margin=&#8221;||||false|false&#8221; custom_padding=&#8221;30px|25px|30px|25px|true|true&#8221; hover_enabled=&#8221;0&#8243; border_radii=&#8221;on|10px|10px|10px|10px&#8221; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<h1>Frequently Asked Questions<span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u00a0<\/span><\/span><\/h1>\n<ol><\/ol>\n<h3><strong>Q1. What is abscissa in coordinate geometry?<br \/><\/strong><\/h3>\n<p><span style=\"font-weight: 400;\"><strong>Ans: <\/strong>Abscissa in coordinate geometry refers to the x coordinate of the point.<strong><br \/><\/strong><\/span><span style=\"font-weight: 400;\"><\/span><\/p>\n<h3><strong>Q2. What is ordinates in coordinate geometry?<br \/><\/strong><\/h3>\n<p><strong>Ans: <\/strong>Ordinate refers to the Y coordinate of a point.<strong><\/strong><\/p>\n<h3><strong>Q3. <b>What is the distance between points <span class=\"katex-eq\" data-katex-display=\"false\">A\\left(x_{1}, y_{1}\\right) \\text { and } B\\left(x_{2}, y_{2}\\right) ?<\/span><\/b><\/strong><\/h3>\n<p><strong>Ans: <\/strong><span style=\"font-weight: 400;\">The distance between two points &#8216;A&#8217; with coordinates <span class=\"katex-eq\" data-katex-display=\"false\">\\left(x_{1}, y_{1}\\right)<\/span><\/span><span style=\"font-weight: 400;\">and point \u2018B\u2019 with coordinates <span class=\"katex-eq\" data-katex-display=\"false\">\\left(x_{2}, y_{2}\\right)<\/span><\/span><span style=\"font-weight: 400;\"> is given by <\/span><\/p>\n<p><span style=\"font-weight: 400;\"><span class=\"katex-eq\" data-katex-display=\"false\">D=\\sqrt{\\left(x_{2}-x_{1}\\right)^{2}+\\left(y_{2}-y_{1}\\right)^{2}}<\/span><\/span><\/p>\n<p><span style=\"font-weight: 400;\"><\/span><\/p>\n<h3><strong>Q4. <\/strong><b>What is the coordinate of point C dividing the points<\/b><strong><b><span class=\"katex-eq\" data-katex-display=\"false\">A\\left(x_{1}, y_{1}\\right) \\text { and } B\\left(x_{2}, y_{2}\\right) <\/span> <\/b><\/strong><b><\/b><b>in the ratio m:n on a coordinate plane?<\/b><\/h3>\n<p><b>Ans: <\/b><span style=\"font-weight: 400;\">\u00a0The coordinate of point C dividing the points <span class=\"katex-eq\" data-katex-display=\"false\">A\\left(x_{1}, y_{1}\\right) \\text { and } B\\left(x_{2}, y_{2}\\right) <\/span> <\/span><span style=\"font-weight: 400;\">in the ratio m:n on a coordinate plane is <span class=\"katex-eq\" data-katex-display=\"false\">(x, y)=\\left(\\frac{m x_{2}+n x_{1}}{m+n}, \\frac{m y_{2}+n y_{1}}{m+n}\\right)<\/span>.<\/span><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Meta Description: We can calculate the sum of the terms in a geometric progression using the formula  S = a(1-r^n)\/(1-r) when r < 1 and  S = a(r^n-1)\/(r-1)when r>1<\/p>\n","protected":false},"author":10,"featured_media":0,"parent":714,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.6 - 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