document.write( "Question 1112410: hello! I forgot how to do these two equations can someone help step by step?
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Algebra.Com's Answer #727429 by ikleyn(52797) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "The exterior angle = 180 degs - 160 degs = 20 degs.\r\n" );
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document.write( "The sum of all exterior angles = 360 degs  ====>  the number of sides/vertices = 360/20 = 18.\r\n" );
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