document.write( "Question 1076945: 1) The length of a square's side is 10 cm. This square's perimeter is 7 cm more than the perimeter of an equilateral triangle.\r
\n" ); document.write( "\n" ); document.write( "a) Let's represent the length of one side of the triangle. What equation models this situation. \r
\n" ); document.write( "\n" ); document.write( "b) Solve the equation to find the length of the triangle's sides. Verify your answer.
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Algebra.Com's Answer #691521 by rothauserc(4718)\"\" \"About 
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let s be the length of one side of the equilateral triangle
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\n" ); document.write( "a) 3s + 7 = 40
\n" ); document.write( "s = (40 - 7) / 3
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\n" ); document.write( "b) s = 33 / 3 = 11
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\n" ); document.write( "the length of a side of the equilateral triangle is 11 cm
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\n" ); document.write( "3 * 11 + 7 = 40
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\n" ); document.write( "33 + 7 = 40
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\n" ); document.write( "40 = 40
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