document.write( "Question 380119: The equilateral triangle is one in which all three sides are of equal length.\r
\n" ); document.write( "\n" ); document.write( "If two vertices of an equilateral triangle are (0,4) and (0,0), find the third vertex. \n" ); document.write( "

Algebra.Com's Answer #269797 by richard1234(7193) $\"\"$ $\"About$

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It is clear that the side length of the triangle is 4. However there are two possible vertices -- (2sqrt(3), 2) and (-2sqrt(3), 2). Graph it on a coordinate plane and you'll see that both triangles are equilateral. \n" ); document.write( "

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