document.write( "Question 26067: A right triangle has sides 15cm and 20cm. What is the lenght of the hypotenuse?THANKYOU \n" ); document.write( "

Algebra.Com's Answer #14001 by Earlsdon(6294) $\"\"$ $\"About$

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Use the Pythagorean theorem $\"a%5E2+%2B+b%5E2+=+c%5E2\"$ to determine the length of the hypotenuse, c.\r
\n" ); document.write( "\n" ); document.write( " $\"c+=+sqrt%2815%5E2+%2B+20%5E2%29\"$
\n" ); document.write( " $\"c+=+sqrt%28225+%2B+400%29\"$
\n" ); document.write( " $\"c+=+sqrt%28625%29\"$
\n" ); document.write( " $\"c+=+25\"$
\n" ); document.write( "The length of the hypotenuse is 25cm. \n" ); document.write( "

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