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)![]() ![]() You can put this solution on YOUR website! 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 \n" ); document.write( "--- \n" ); document.write( "the above quadratic equation is in standard form, with a=1, b=8 and c=-60 \n" ); document.write( "--- \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 \n" ); document.write( "--- \n" ); document.write( "Free algebra tutoring live chat: \n" ); document.write( "http://sooeet.com/chat.php?gn=algebra \n" ); document.write( "--- \n" ); document.write( "Solve and graph linear equations: \n" ); document.write( "http://sooeet.com/math/linear-equation-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve quadratic equations with quadratic formula: \n" ); document.write( "http://sooeet.com/math/quadratic-formula-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve systems of linear equations up to 6-equations 6-variables: \n" ); document.write( "http://sooeet.com/math/system-of-linear-equations-solver.php \n" ); document.write( "--- \n" ); document.write( " |