document.write( "Question 198804: For Triangle ABC, use the Pythagorean Theorem to find the missing length for the given measures. Round each length to the nearest tenth.\r
\n" );
document.write( "\n" );
document.write( "b=9, c=18, a= _____ \n" );
document.write( "
Algebra.Com's Answer #149288 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! For Triangle ABC, use the Pythagorean Theorem to find the missing length for the given measures. Round each length to the nearest tenth. \n" ); document.write( "b=9, c=18, a= _____ \n" ); document.write( ". \n" ); document.write( "Pythagorean theorem: \n" ); document.write( "a^2 + b^2 = c^2 \n" ); document.write( "where \n" ); document.write( "c is the hypotenuse (side opposite the 90 degree angle) \n" ); document.write( "a and b are the other two sides \n" ); document.write( ". \n" ); document.write( "Assuming, then, that 'c' is the hypotenuse, we have: \n" ); document.write( "a^2 + b^2 = c^2 \n" ); document.write( "a^2 + 9^2 = 18^2 \n" ); document.write( "a^2 + 81 = 324 \n" ); document.write( "a^2 = 324 - 81 \n" ); document.write( "a^2 = 243 \n" ); document.write( "a = \n" ); document.write( "a = 15.6 \n" ); document.write( " \n" ); document.write( " |