document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=252408>Question 252408</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If the following statement were to be proven using a coordinate proof which formulas would be used<BR>\n" );
document.write( "the diagonals of a rhombus are congruent<BR>\n" );
document.write( "(a) distance<BR>\n" );
document.write( "(b) midpoint<BR>\n" );
document.write( "(c) both<BR>\n" );
document.write( "(d) the statement cant be proved\r<BR>\n" );
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document.write( "can you explain? thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #184302 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=184302\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You would use the distance formula since this formula computes the distance between two points. If you know the coordinates of all four points, then you can find the distance from the opposite vertices. In other words, you can find the lengths of the diagonals using the distance formula. Since there is no point in using the midpoint formula, the answer is A) </SPAN>\n" );
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