document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=333017>Question 333017</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A street has a parallel curbs 40 feet apart. A crosswalk bounded by two parallel<BR>\n" );
document.write( "stripes crosses the street at an angle. The length of the curb between the stripes<BR>\n" );
document.write( "is 15 feet and each stripe is 50 feet long. Find the distance between the stripes. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #238681 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=238681\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A street has a parallel curbs 40 feet apart.<BR>\n" );
document.write( " A crosswalk bounded by two parallel stripes crosses the street at an angle. <BR>\n" );
document.write( "The length of the curb between the stripes is 15 feet and each stripe is 50 feet long.<BR>\n" );
document.write( " Find the distance between the stripes. Let this distance = a<BR>\n" );
document.write( ":<BR>\n" );
document.write( "If you draw this out, you will see a right triangle formed by the distance<BR>\n" );
document.write( "between the curbs (40') and one of the stripes (50)'which is the hypotenuse.<BR>\n" );
document.write( " Find the angle (A) made by the stripe with the curb using the sine.<BR>\n" );
document.write( "Sin(A) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=40%2F50 ALIGN=MIDDLE  ALT=\"40%2F50\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "A = 53.13 degrees<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Another right triangle is formed by the curb distance between the stripes (15')<BR>\n" );
document.write( "and a perpendicular line (a) between the stripes, which is the distance between them.<BR>\n" );
document.write( "Sine of the same angle<BR>\n" );
document.write( "Sin(53.13) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%2F15 ALIGN=MIDDLE  ALT=\"a%2F15\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2F5 ALIGN=MIDDLE  ALT=\"4%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%2F15 ALIGN=MIDDLE  ALT=\"a%2F15\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Cross multiply<BR>\n" );
document.write( "5a = 4(15)<BR>\n" );
document.write( "5a = 60<BR>\n" );
document.write( "a = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=60%2F5 ALIGN=MIDDLE  ALT=\"60%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "a = 12 ft between the stripes </SPAN>\n" );
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