Hendecagon Hendecagon In geometry, a hendecagon (also undecagon or endecagon) or 11-gon is an eleven-sided polygon. (The name "hendecagon", from Greek "hendeka" "eleven" and "gon–" "corner", is often preferred to the hybrid "undecagon", whose first part is formed from Latin "undecim" "eleven".) A "regular hendecagon" is represented by Schläfli symbol {11}. A regular hendecagon has internal angles of 147.27 degrees (=147 formula_1 degrees). The area of a regular hendecagon with side length "a" is given by As 11 is not a Fermat prime, the regular hendecagon is not constructible with compass and straightedge. Because 11 is not a Pierpont prime, construction
Both Sides of Time Both Sides of Time Both Sides of Time (1995) is a fiction book and the first of the Time Travelers Quartet series by Caroline B. Cooney. It was first published on July 1, 1995. The hardcover book has 224 pages and was published on October 9, 2001 by Delacorte Books for Young Readers. In Both Sides of Time, Caroline B. Cooney gives a realistic view of the struggles women had faced in the 19th century and how far they have come in the 20th century. The dialogue of this novel contains a mixture of the English language from the use