document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=68325>Question 68325</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0395937779/algebrahomeworkh>Geometry</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Multi-Step Problem. You can use the method described below to approximate the distance across a stream without getting wet.  As shown in the diagram you need a - Stand on the edge of the stream and look straight across to a point on the other edge of the stream.  Adjust the visor of your cap so that its in the line with that point.<BR>\n" );
document.write( "-  Without changing the inclination of your neck and head, turn sideways until the visor is in line with a point on your side of the stream.<BR>\n" );
document.write( "-  Measure the distance BD between your feet and that point.<BR>\n" );
document.write( "QUESTIONS<BR>\n" );
document.write( "a.)  From the description of the measuring method, what corresponding parts of the 2 triangles can you assume are congruent?\r<BR>\n" );
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document.write( "b.)  What theorem or postulate can be used to show that the 2 triangles are congruent?\r<BR>\n" );
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document.write( "c.)  Explain why the length of BD is also the distance across the stream. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #48604 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=48604\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Without changing the inclination of your neck and head, turn sideways until the visor is in line with a point on your side of the stream.<BR>\n" );
document.write( "- Measure the distance BD between your feet and that point.<BR>\n" );
document.write( "QUESTIONS<BR>\n" );
document.write( "a.) From the description of the measuring method, what corresponding parts of the 2 triangles can you assume are congruent? <BR>\n" );
document.write( "The angle your body makes with the ground is a rt. angle; The angle made<BR>\n" );
document.write( "by your body and the line to the opposite shore and/or the distant object<BR>\n" );
document.write( "The side from your feet to the opposite shore and/or the side from your<BR>\n" );
document.write( "feet to the distant object. The side formed by your body in both triangles.<BR>\n" );
document.write( "b.) What theorem or postulate can be used to show that the 2 triangles are congruent? Side-Angle-Side\r<BR>\n" );
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document.write( "c.) Explain why the length of BD is also the distance across the stream.<BR>\n" );
document.write( "Corresponding parts of congruent triangles.<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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