document.write( "Question 1087582: In triangle ABC, angle ABC = 90º, and point D lies on segment BC such that AD is an angle bisector. If AB = 12 and BD = 4, then find AC
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Algebra.Com's Answer #701938 by Edwin McCravy(20055) $\"\"$ $\"About$

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document.write( "Since AD is the angle bisector of ∠BAC, ∠BAC = 2∠BAD.\r\n" );
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document.write( "Use formula \r\n" );
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document.write( "And since also \r\n" );
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document.write( ", (which means, incidentally that DC = 5)\r\n" );
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document.write( "By the Pythagorean theorem:\r\n" );
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document.write( "Edwin

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