document.write( "Question 1093664: Assuming that side c is the longest side, what length for side a will produce a right triangle? In triangle ABC, ∠A = 60°, and side c = 18 ft.
\n" ); document.write( "Select one:
\n" ); document.write( " a. 9√3 ft
\n" ); document.write( " b. 36 ft
\n" ); document.write( " c. 18√3 ft
\n" ); document.write( " d. 9 ft
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Algebra.Com's Answer #708309 by josgarithmetic(39617)\"\" \"About 
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The description is of a special 30-60-90 right triangle.
\n" ); document.write( "Angle at A is 60 degrees. Angle at B is 30 degrees. Angle at C is 90 degrees.\r
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\n" ); document.write( "\n" ); document.write( "If c=18, then b=9.\r
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\n" ); document.write( "\n" ); document.write( "Pythagorean Theorem: \"a%5E2%2B9%5E2=18%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"a=sqrt%2818%5E2-9%5E2%29\"\r
\n" ); document.write( "\n" ); document.write( "\"a=sqrt%28243%29\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28a=9sqrt%283%29%29\"
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