document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=123941>Question 123941</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0073268623/algebrahomeworkh>Elementary and intermediate Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Avoing a collision. a car is traveling on a road that is perpeendicular to a railroad track.when the car is 30 meters from the crossing,the cars new collision detector warns the driver that is a train 50 meters from the car and heading toward the same crossing. how far is the train from the crossing? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #90912 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=90912\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Since the road is perpendicular to the railroad track, and the collision detector measures the straight line distance from the car to the potential collision, you have two sides of a right triangle -- one of the legs and the hypotenuse.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28400%2C400%2C-10%2C50%2C-10%2C50%2C%0D%0A%0D%0Agreen%28triangle%280%2C0%2C0%2C30%2C40%2C0%29%29%2C%0D%0Alocate%282%2C15%2C30%29%2C%0D%0Alocate%2825%2C15%2C50%29%2C%0D%0Alocate%2816%2C4%2Cx%29%0D%0A%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The simple way to find the third side is to recognize that you have a 3:4:5 right triangle which tells you the third side has to be 40 meters.\r<BR>\n" );
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document.write( "Or you can use the Pythagorean Theorem\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=40 ALIGN=MIDDLE  ALT=\"x=40\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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