document.write( "Question 945833: a right triangle with an area of 30 square cm has a hypotenuse that is 8 cm longer than the shortest side. Find the dimensions of the triangle \n" ); document.write( "
Algebra.Com's Answer #577015 by TimothyLamb(4379)\"\" \"About 
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h = s + 8
\n" ); document.write( "---
\n" ); document.write( "a = bh/2
\n" ); document.write( "a = sh/2
\n" ); document.write( "30 = s(s + 8)/2
\n" ); document.write( "s(s + 8) = 30*2
\n" ); document.write( "ss + 8s = 60
\n" ); document.write( "ss + 8s - 60 = 0
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\n" ); document.write( "the above quadratic equation is in standard form, with a=1, b=8 and c=-60
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\n" ); document.write( "to solve the quadratic equation, by using the quadratic formula, copy and paste this:
\n" ); document.write( "1 8 -60
\n" ); document.write( "into this solver: http://sooeet.com/math/quadratic-equation-solver.php
\n" ); document.write( "---
\n" ); document.write( "the quadratic has two real roots at:
\n" ); document.write( "---
\n" ); document.write( "s = 4.71779789
\n" ); document.write( "s = -12.7177979
\n" ); document.write( "---
\n" ); document.write( "the negative root doesn't fit the problem statement, so use the positive root:
\n" ); document.write( "---
\n" ); document.write( "s = 4.71779789
\n" ); document.write( "h = s + 8
\n" ); document.write( "h = 12.71779789
\n" ); document.write( "h = sqrt( ss + bb )
\n" ); document.write( "hh = ss + bb
\n" ); document.write( "bb = hh - ss
\n" ); document.write( "b = sqrt( hh - ss )
\n" ); document.write( "b = sqrt( 12.71779789*12.71779789 - 4.71779789*4.71779789 )
\n" ); document.write( "sqrt( 12.71779789*12.71779789 - 4.71779789*4.71779789 )
\n" ); document.write( "---
\n" ); document.write( "copy and paste the above expression in to this calculator:
\n" ); document.write( "http://sooeet.com/math/scientific-calculator.php
\n" ); document.write( "---
\n" ); document.write( "b = 11.8103668969
\n" ); document.write( "---
\n" ); document.write( "answer:
\n" ); document.write( "s = 4.71779789 cm
\n" ); document.write( "b = 11.8103669 cm
\n" ); document.write( "h = 12.7177979 cm
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