document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=951864>Question 951864</A>: <I><SPAN STYLE=\"word-break: break-all;\"> &#916;ABC has the vertices A(0, 0), B(-8.5, 3), and C(0, 6), and &#916;AXY has the vertices A(0, 0), X(-3, -8.5), and Y(-6, 0). Which transformation can be used on &#916;ABC to show that &#916;ABC is congruent to &#916;AXY?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #581326 by </B><A HREF=/tutors/aboutme.mpl?userid=KMST><B>KMST(5328)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KMST><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=KMST><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=581326\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28300%2C480%2C-9%2C1%2C-9%2C7%2C%0D%0Agrid%281%29%2Ccircle%280%2C0%2C0.18%29%2Clocate%280.18%2C0.5%2CA%29%2C%0D%0Aline%280%2C0%2C-8.5%2C3%29%2C%0D%0Aline%28-8.5%2C3%2C0%2C6%29%2C%0D%0Aline%280%2C0%2C0%2C6%29%2C%0D%0Acircle%28-8.5%2C3%2C0.2%29%2Clocate%28-8.45%2C3.8%2CB%29%2C%0D%0Acircle%280%2C6%2C0.2%29%2Clocate%280.15%2C6.5%2CC%29%2C%0D%0Agreen%28line%280%2C0%2C-3%2C-8.5%29%29%2C%0D%0Agreen%28line%28-3%2C-8.5%2C-6%2C0%29%29%2C%0D%0Agreen%28line%280%2C0%2C-6%2C0%29%29%2Cgreen%28circle%280%2C0%2C0.25%29%29%2C%0D%0Agreen%28circle%28-3%2C-8.5%2C0.2%29%29%2Clocate%28-2.88%2C-8.5%2Cgreen%28X%29%29%2C%0D%0Agreen%28circle%28-6%2C0%2C0.2%29%29%2Clocate%28-6.5%2C0%2Cgreen%28Y%29%29%0D%0A%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > The transformation rotated everything around the origin by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=90%5Eo ALIGN=MIDDLE  ALT=\"90%5Eo\"   DISABLED_style= \"max-width:90%; height:auto;\" > counterclockwise.<BR>\n" );
document.write( "Every point stays the same distance from the origin, but in a different direction.<BR>\n" );
document.write( "Point (a,0) turns into point (0,a);<BR>\n" );
document.write( "point (0,b) turns into point (-b,0), and (adding them up)<BR>\n" );
document.write( "point (a,b) turns into point (-b,a):<BR>\n" );
document.write( "(0,0) ---> (-0,0) = (0,0)<BR>\n" );
document.write( "(-8.5,3) ---> (-3,-8.5)<BR>\n" );
document.write( "(0,6) ---> (-6,0) </SPAN>\n" );
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