document.write( "Question 885401: What is the area of a 30-60-90 triangle if the middle side is equal to 9?\r
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Algebra.Com's Answer #535136 by josgarithmetic(39617)\"\" \"About 
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Special triangle, half of an equilateral triangle. If x is the length of the short side of the 30-60-90 triangle, then the long side is the hypotenuse of 2x. The other side is your given middle side of 9 units.\r
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\n" ); document.write( "\n" ); document.write( "\"%281%2F2%29x%2A9\" is area; and \"%282x%29%5E2=9%5E2%2Bx%5E2\" using Pythagorean Theorem for the Right Triangle.
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