document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=754603>Question 754603</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a boat travels north from A for 30 minutes at 20 km/h. it reaches B and then travels due east for 24 minutes at 10 km/h. it is then at C. HOW MANY KILOMETERS HAS THE BOAT TRAVELLED? USE PYTHAGORAS THEOREM TO CALCULATE THE SHORTEST DISTANCE FROM C TO A. GIVE YOUR ANSWER CORRECT TO THE NEAREST METRE. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #459213 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=459213\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 30 mins at 20 km/hr = 10 km<BR>\n" );
document.write( "24 mins at 10 km/hr =  4 km<BR>\n" );
document.write( "Total of 14 km.<BR>\n" );
document.write( "Right angled triangle with <BR>\n" );
document.write( "one of the sides = 10km<BR>\n" );
document.write( "and the other = 4km<BR>\n" );
document.write( "The answer is the hypotenuse<BR>\n" );
document.write( "So, 10^2 + 4^2 = hypotenuse^2<BR>\n" );
document.write( "    100 + 16  = hypotenuse^2<BR>\n" );
document.write( "       116    = hypotenuse^2<BR>\n" );
document.write( "       hypotenuse = square root of 116<BR>\n" );
document.write( "So, shortest distance from C tp A = 10.8 km<BR>\n" );
document.write( "To nearest metre = 11 metres\r<BR>\n" );
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document.write( "Hope this helps<BR>\n" );
document.write( ":-}<BR>\n" );
document.write( "       \r<BR>\n" );
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document.write( " </SPAN>\n" );
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