document.write( "Question 797057: if the length of two sides of a right angled triangle are 15cm. and 20cm. Find the length of hypotenuse, \n" ); document.write( "

Algebra.Com's Answer #481653 by luke94(89) $\"\"$ $\"About$

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Hi there, you would use pythagoras's theorem to calculate the hypotenuse
\n" ); document.write( " $\"c%5E2+=+a%5E2+%2B+b%5E2\"$
\n" ); document.write( "give 15cm the value of a, and 20cm the value of b.
\n" ); document.write( "now calculate:
\n" ); document.write( " $\"c%5E2+=+15%5E2+%2B+20%5E2\"$
\n" ); document.write( " $\"c%5E2+=+225+%2B+400\"$
\n" ); document.write( " $\"c%5E2+=+625\"$
\n" ); document.write( " $\"c+=+sqrt%28625%29\"$
\n" ); document.write( " $\"c+=+25\"$ \n" ); document.write( "

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