document.write( "Question 550887: two sides of a 30 degrees -60 degrees -90 degrees triangle are 9 and 18. what is the length of the third side? \n" ); document.write( "
Algebra.Com's Answer #359186 by Alan3354(69443)\"\" \"About 
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two sides of a 30 degrees -60 degrees -90 degrees triangle are 9 and 18. what is the length of the third side?
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\n" ); document.write( "The 18 side is the hypotenuse.
\n" ); document.write( "\"a%5E2+%2B+b%5E2+=+c%5E2\"
\n" ); document.write( "\"9%5E2+%2B+b%5E2+=+18%5E2\"
\n" ); document.write( "\"b%5E2+=+243\"
\n" ); document.write( "\"b+=+sqrt%28243%29+=+9sqrt%283%29\"
\n" ); document.write( "b =~ 15.588\r
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