document.write( "Question 1056652: a polygon has n sides has n diagonals. What is n? \n" ); document.write( "

Algebra.Com's Answer #671748 by ikleyn(52787) $\"\"$ $\"About$

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document.write( " = n   ====>\r\n" );
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document.write( " = 2n,\r\n" );
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document.write( " = 5n  ====>\r\n" );
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document.write( "n = 5.\r\n" );
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document.write( "Answer. Pentagon.\r\n" );
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