document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=65754>Question 65754</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How would you describe a rectangular coordinate system? Explain what information is needed to locate a point in a coordinate system. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #46476 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=46476\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How would you describe a rectangular coordinate system? Explain what information is needed to locate a point in a coordinate system.<BR>\n" );
document.write( "IN A 2 DIMENSIONAL PLANE,WE NEED REFERENCE WITH RESPECT TO 2 DIRECTIONS<BR>\n" );
document.write( " TO FIX A POINT.<BR>\n" );
document.write( "FOR EXAMPLE IN OUR ROAD NET WORK,WE HAVE A HOUSE LOCATED ON SAY <BR>\n" );
document.write( "24 TH. MAIN AND 36TH.CROSS.<BR>\n" );
document.write( "THE MAIN ROADS AND CROSSROADS ARE INCLINED TO EACH OTHER COULD BE<BR>\n" );
document.write( " 90 DEGREES OR DIFFERENT.<BR>\n" );
document.write( "IF WE HAVE TO FIX THE DISTANCES WE TAKE A REFERENCE POINT SAY A CITY<BR>\n" );
document.write( "CENTER, TRAVEL 1 MILE ON 24TH MAIN AND 2 MILES ON 36TH. CROSS TO REACH HOME.<BR>\n" );
document.write( "AS LONG AS WE HAVE ALL THE HOUSES AT ROAD LEVEL,THIS WOULD DO TO FIX <BR>\n" );
document.write( "THE LOCATION.ONLY WHEN WE HAVE MULTI STOREYED APARTMENTS,WE NEED <BR>\n" );
document.write( "ANOTHER REFERENCE...HEIGHT .<BR>\n" );
document.write( "HERE RESTRICTING OUR ATTENTION TO 2 DIMENSION PLANES     <BR>\n" );
document.write( "LET US CALL THE MAIN AND CROSS ROADS AS X AND Y AXIS. THE CITY CENTER ,<BR>\n" );
document.write( "OUR REFERENCE POINT AS THE ORIGIN 'O'.WE TAKE IT AS AT THE INTERSECTION <BR>\n" );
document.write( "OF THE 2 AXES.IF THE 2 AXES(MAIN AND CROSS ROADS) ARE <BR>\n" );
document.write( "PERPENDICULAR,WE CALL THAT A RECTANGULAR COORDINATE SYSTEM.<BR>\n" );
document.write( "WE CALL THE X AXIS AS X'OX....X' ON LEFT FOLLWED BY O ON THE RIGHT <BR>\n" );
document.write( "AND X ON FURTHER RIGHT.ALONG THIS AXIS ALL DISTANCES ARE MEASURED FROM O <BR>\n" );
document.write( "AND TOWARDS X ARE +VE,WHILE DISTANCES TOWARDS X' AS -VE.<BR>\n" );
document.write( "SIMILARLY,WE CALL THE Y AXIS AS Y'OY...Y' AT THE BOTTOM FOLLOWED BY O AT<BR>\n" );
document.write( "THE TOP AND Y FURTHER UP.AGAIN ALL DISTANCES ALONG THIS AXIS ARE MEASURED <BR>\n" );
document.write( "FROM O AND TOWARDS Y ARE +VE,WHILE DISTANCES TOWARDS Y' AS -VE.<BR>\n" );
document.write( " </SPAN>\n" );
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