document.write( "Question 353565: squares plugs are often used to check the diameter of a hole. What must the length of the side of the plug be to test a hole with a diameter of 3.16cm? \n" ); document.write( "
Algebra.Com's Answer #252614 by ewatrrr(24785)\"\" \"About 
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Hi,
\n" ); document.write( "*Note: it is the length diagonally of the square peg used to test a hole that measures the diameter of the hole.\r
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\n" ); document.write( "Let x be the length of each side of square plugs.
\n" ); document.write( "x^2 + x^2 = 3.16cm^2
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\n" ); document.write( "2x^2 = 3.16cm^2 = 9.986 cm^2
\n" ); document.write( "x^2 = 4.993
\n" ); document.write( "x = 2.23cm
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