document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=279554>Question 279554</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Using Pythagorean Theorem, calculate the measure of b, if a = 4 cm. and c = 8 cm.  In this case c is<BR>\n" );
document.write( "the hypotenuse of the right angle triangle. </SPAN>\n" );
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document.write( "in right angle triangle <BR>\n" );
document.write( "(hypotenuse)^2=sum of the squares of the remaining two sides<BR>\n" );
document.write( "this is Pythagorean Theorem<BR>\n" );
document.write( "in this problem hypotenuse(c)=8cm and one side (a)=4cm<BR>\n" );
document.write( "then we find the other side using above formula<BR>\n" );
document.write( "c^2=a^2+b^2<BR>\n" );
document.write( "8^2=4^2+b^2<BR>\n" );
document.write( "64=16+b^2<BR>\n" );
document.write( "subtract 16 on both sides<BR>\n" );
document.write( "64-16=16-16+b^2<BR>\n" );
document.write( "48=b^2<BR>\n" );
document.write( "b= sqrt(48)<BR>\n" );
document.write( "b=6.9 cm<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );