document.write( "Question 1150270: An altitude of an equilateral triangle is 18cm. Find the perimeter of the triangle in exact form \n" ); document.write( "
Algebra.Com's Answer #771658 by Alan3354(69443)\"\" \"About 
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An altitude of an equilateral triangle is 18cm. Find the perimeter of the triangle in exact form
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\n" ); document.write( "Find the length of a side.
\n" ); document.write( "Multiply it by 3.
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