document.write( "Question 35913: Explain why a regular pentagon cannot tessellate a plane \n" ); document.write( "
Algebra.Com's Answer #24587 by fractalier(6550)\"\" \"About 
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Each interior angle of a regular pentagon is 108 degrees. If you put three of them together, vertex to vertex, you get 324 degree. The extra 36 degrees is left over and cannot be accounted for by another pentagon. \n" ); document.write( "
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