Noah and the Whale Presents the A Sides Noah and the Whale Presents the A Sides Noah and the Whale Presents the A Sides is a limited edition EP released on 25 December 2008 by the folk rock band Noah and the Whale on Mercury Records Limited. Only 2500 copies of the album were released on 12" vinyl with all of the proceeds going towards the charity Age Concern. Recorded over two nights with a two-take limit, the album is described on the Young And Lost Club website as "A mixture of unheard originals and covers, and ground-breaking artwork from the band’s long-term collaborator Alex Brenchley, the raw
Heptagon polynomial is the minimal polynomial of 2cos(), whereas the degree of the minimal polynomial for a constructible number must be a power of 2. An approximation for practical use with an error of about 0.2% is shown in the drawing. It is attributed to Albrecht Dürer. Let "A" lie on the circumference of the circumcircle. Draw arc "BOC". Then formula_8 gives an approximation for the edge of the heptagon. This approximation uses formula_9 for the side of the heptagon inscribed in the unit circle while the exact value is formula_10. "Example to illustrate the error: At a circumscribed circle radius