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
How Many Clouds Can You See? a strange mixture of everything from free improvisation to calypso, his second date, 1970's "How Many Clouds Can You See?", is a much more focused affair. Surman clearly references one of his roots, John Coltrane, albeit on an instrument that the legendary saxophonist never played. All compositions by John Surman except where noted. How Many Clouds Can You See? How Many Clouds Can You See? is the second album by English saxophonist John Surman featuring Harry Beckett, Alan Skidmore, Barre Phillips and Tony Oxley recorded in 1970 and released on the Deram label. Allmusic awards the album 4 and a