Right-angled
91Eshkol-Wachman Movement Notation — Positions and MovementThe position of a limb is defined by identifying it with the coordinates of the SoR. Movements of limbs are also defined, oriented and measured in relation to the SoR.To document transitions between static positions the… …
92Li Ye — literary name Jingzhai born 1192, Luangcheng, Hebei province, China died 1279, Yuanshi Chinese mathematician and scholar official who contributed to the solution of polynomial equations in one variable. When the Mongols invaded his home district… …
93Wang Xiaotong — flourished early 7th century Chinese mathematician who made important advances in the solution of problems involving cubic equations. In 626 he took part in the revision of the Wuying calendar (618), which had erroneously predicted eclipses in… …
94Approximations of π — Timeline of approximations for pi …
95Brickwork — Dismantled wall showing brickwork Decorative Tudor bri …
96The Seven Liberal Arts — The Seven Liberal Arts † Catholic Encyclopedia ► The Seven Liberal Arts The expression artes liberales, chiefly used during the Middle Ages, does not mean arts as we understand the word at this present day, but those branches of… …
97triangle — I (New American Roget s College Thesaurus) n. trigon, delta, pyramid, triquetra; gore, gusset; triad, trio, threesome; the eternal triangle. See angularity, numeration. II (Roget s IV) n. Kinds of triangles include: equilateral, isosceles, right… …
98Circle — This article is about the shape and mathematical concept. For other uses, see Circle (disambiguation). Circle illustration showing a radius, a diameter, the centre and the circumference …
99Potsdamer Platz — Major buildings at Potsdamer Platz from the air in 2004 …
100Bishop and knight checkmate — The bishop and knight checkmate in chess is the checkmate of a lone king which can be forced by a bishop, knight …
