document.write( "Question 466173: given one side of a 30-60-90 triangle how do you find the other 2 sides? \n" ); document.write( "
Algebra.Com's Answer #319541 by Gogonati(855)\"\" \"About 
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We'll describe three cases:
\n" ); document.write( "1)The given side is the hypotenuse, equal a: Then the leg opposite to the 30 degree angle is a/2 and the other leg base on the Pythagorean theorem will be:\r
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\n" ); document.write( "\n" ); document.write( "2)The given side is the side opposite to the 30 degree angle, equal b: Then the
\n" ); document.write( "hypotenuse will be 2b, and the other leg base on the Pythagorean theorem will be\r
\n" ); document.write( "\n" ); document.write( "\"sqrt%28%282b%29%5E2-b%5E2%29=sqrt%283b%5E2%29=b%2Asqrt%283%29\"\r
\n" ); document.write( "\n" ); document.write( "3)The given side is the side opposite to the angle 60 degree, equal c:
\n" ); document.write( "Assume that the angle opposite to the angle 30 degree is x, then the hypotenuse is 2x, and using the Pythagorean theorem we write:\r
\n" ); document.write( "\n" ); document.write( "\"c%5E2=%282x%29%5E2-x%5E2\"<=>\"c%5E2=3x%5E2\"<=>\"x=sqrt%28c%5E2%2F3%29=c%2Asqrt%283%29%2F3\", and the hypotenuse will be: \"2c%2Asqrt%283%29%2F3\"
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