|Using this applet, you can find coordinates of different points lying in different quadrants.
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'''Distance between two points'''[[File:Distance between two points.png|150px|left|border|link=http://nroer.gov.in/gstudio/resources/documents/show/50134/]]
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[[File:Triangle.png|400px|link=http://www.mediawiki.org/wiki/Manual:Linked_images]]Cartesian System