document.write( "Question 1107134: Find the third vertex C(x,y) of an equilateral triangle if the other vertices are A(-4,-1) and B (4,3) \n" ); document.write( "

Algebra.Com's Answer #722125 by ikleyn(52797) $\"\"$ $\"About$

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document.write( "    Step 1.   Make a sketch on a squared paper.\r\n" );
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document.write( "    Step 2.  Look in it and think where to place the third vertex.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Your goal is to put the third vertex in a way to get CONGRUENT right angled TRIANGLES using squares on the paper.\r
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\n" ); document.write( "\n" ); document.write( "The method is the combination of a) \"trial and guess\", b) looking; and c) thinking.\r
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document.write( "    The problem CAN BE SOLVED  and  MUST BE SOLVED  without any calculations . . . \r\n" );
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document.write( "    Without any equations . . . Without any systems of equations . . . \r\n" );
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document.write( "    Without any square roots . . .  \r\n" );
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