document.write( "Question 173040: A square piece of a paper is folded in half along the diagonal .the area of the
\n" ); document.write( "resulting triangle is 50 square cm . how many centimeters was the perimeter of the original square ?
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Algebra.Com's Answer #127898 by nerdybill(7384)\"\" \"About 
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\n" ); document.write( "The area of the square is double the area of the triangle.
\n" ); document.write( "Thus, area of square is 100 square cm.
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\n" ); document.write( "Let x = length of one side of the square
\n" ); document.write( "then
\n" ); document.write( "x^2 = 100
\n" ); document.write( "x = 10 cm
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\n" ); document.write( "Perimeter of any square is four times the length of one side:
\n" ); document.write( "perimeter = 4x = 4(10) = 40 cm
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