document.write( "Question 283707: the diagonal of a square is 62 feet. What is the perimeter? \n" ); document.write( "
Algebra.Com's Answer #205916 by oberobic(2304)\"\" \"About 
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The diagonal of a square is the hypotenuse of a triangle.
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\n" ); document.write( "c^2 = a^2 + b^2
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\n" ); document.write( "Since it is a square, a=b.
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\n" ); document.write( "62^2 = a^2 + b^2 = a^2 + a^2
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\n" ); document.write( "62^2 = 2a^2
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\n" ); document.write( "3844 = 2a^2
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\n" ); document.write( "2a^2 = 3844
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\n" ); document.write( "a^2 = 1922
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\n" ); document.write( "a = sqrt(1922)
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\n" ); document.write( "a = 43.84
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\n" ); document.write( "So, the perimeter = 4*43.84 = 175.35 or about 176
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\n" ); document.write( "Done
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