document.write( "Question 439306: if a polyhedron has 9 faces and 15 vertices, how many edges does it have? \n" ); document.write( "

Algebra.Com's Answer #303554 by Edwin McCravy(20056) $\"\"$ $\"About$

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if a polyhedron has 9 faces and 15 vertices, how many edges does it have?
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document.write( "Euler's polyhedron formula is\r\n" );
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document.write( " V - E + F = 2\r\n" );
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document.write( "15 - E + 9 = 2\r\n" );
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document.write( "    24 - E = 2\r\n" );
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document.write( "        -E = -22\r\n" );
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document.write( "         E = 22 \r\n" );
document.write( "Edwin

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