document.write( "Question 941470: The hypotenuse of a right triangle is 26cm the sum of the other two sides is 34cm find the lengths of the two sides \n" ); document.write( "
Algebra.Com's Answer #573929 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
\r
\n" ); document.write( "\n" ); document.write( "the hypotenuse \"c\" of a right triangle is \"26cm\" \r
\n" ); document.write( "\n" ); document.write( "the sum of the other two sides, \"a\" and \"b\", is \"34cm\" \r
\n" ); document.write( "\n" ); document.write( "find: the lengths of the two sides\r
\n" ); document.write( "\n" ); document.write( "use Pythagoras theorem:\r
\n" ); document.write( "\n" ); document.write( "\"c%5E2=a%5E2%2Bb%5E2\"\r
\n" ); document.write( "\n" ); document.write( "since given the sum \"a\" and \"b\" and \"c=26\", we have\r
\n" ); document.write( "\n" ); document.write( "\"a%2Bb=34\" => \"a=34-b\" ...plug in \"c%5E2=a%5E2%2Bb%5E2\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%2826%29%5E2=%2834-b%29%5E2%2Bb%5E2\"....solve for \"b\"\r
\n" ); document.write( "\n" ); document.write( "\"676=1156cm%5E2-68b%2Bb%5E2%2Bb%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"676=1156-68b%2B2b%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"0=2b%5E2-68b+%2B1156-676\"\r
\n" ); document.write( "\n" ); document.write( "\"2b%5E2-68b+%2B480=0\"...divide by \"2\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"b%5E2-34b+%2B240=0\"\r
\n" ); document.write( "\n" ); document.write( "\"b%5E2-10b-24b+%2B240=0\"\r
\n" ); document.write( "\n" ); document.write( "\"%28b%5E2-10b%29-%2824b-240%29=0\"\r
\n" ); document.write( "\n" ); document.write( "\"b%28b-10%29-24%28b-10%29=0\"\r
\n" ); document.write( "\n" ); document.write( "\"%28b-24%29%28b-10%29=0\"\r
\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( "if \"%28b-24%29=0\"=> \"b=24\"\r
\n" ); document.write( "\n" ); document.write( "if \"%28b-10%29=0\"=> \"b=10\"\r
\n" ); document.write( "\n" ); document.write( "if we choose \"b=24\", then \"a\" will be \"a=34-b\"=>\"a=34-24\" =>\"a=10\"\r
\n" ); document.write( "\n" ); document.write( "or if we choose \"b=10\", then \"a\" will be \"a=34-b\"=>\"a=34-10\" =>\"a=24\"\r
\n" ); document.write( "\n" ); document.write( "so, it doesn't matter what we choose\r
\n" ); document.write( "\n" ); document.write( "\"a=10\" and \"b=24\" is one solution, and\r
\n" ); document.write( "\n" ); document.write( "\"a=24\" and \"b=10\" is the other solution\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );