document.write( "Question 1083068: In order to triple the area of a square, the new side lengths must be equal to the old side lengths multiplied by:\r
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document.write( "F) Square root of 3.
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document.write( "G) 3
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document.write( "H) 9
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document.write( "J) Square root of 27.
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document.write( "K)27\r
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document.write( "I selected \"9\", but the answer is \"F\", the square root of 3.\r
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document.write( "This is an SAT practice question. I am trying to figure how the answer is F. \n" );
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Algebra.Com's Answer #697064 by solver91311(24713)![]() ![]() You can put this solution on YOUR website! \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "First, let's begin with the reason the answer is most assuredly not 9.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The area of a square is given by the square of the measure of one side, that is:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So if you made the side of the new square 9 times the side of the old square, the new area would be:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "81 times more area than the original\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "But if we want the area to only be 3 times the original area, that is\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "To find the measure of the side that would give this result, we take the square root of the area:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "John \n" ); document.write( " \n" ); document.write( "My calculator said it, I believe it, that settles it \n" ); document.write( " ![]() \n" ); document.write( " |