document.write( "Question 1074913: Write a formula for the length c of the hypotenuse of a 30 -60 -90 triangle if a is the length of the shorter leg. \n" ); document.write( "

Algebra.Com's Answer #689570 by Fombitz(32388) $\"\"$ $\"About$

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Use the law of sines,
\n" ); document.write( " $\"sin%2890%29%2Fc=sin%2830%29%2Fa\"$
\n" ); document.write( " $\"c%2Asin%2830%29=a\"$
\n" ); document.write( " $\"c=a%2Fsin%2830%29\"$
\n" ); document.write( " $\"c=a%2F0.5\"$
\n" ); document.write( " $\"c=2a\"$ \n" ); document.write( "

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