given two triangles
121Approximations of π — Timeline of approximations for pi …
122Oklahoma City bombing — The Alfred P. Murrah Federal Building two days after the bombing Location …
123Truss — For other uses, see Truss (disambiguation). In architecture and structural engineering, a truss is a structure comprising one or more triangular units constructed with straight members whose ends are connected at joints referred to as nodes.… …
124Spaceship Earth (Epcot) — Infobox Disney ride name= Spaceship Earth park=Epcot land=Future World designer=WED Enterprises manufacturer=WED Enterprises type=Dark ride host=Judi Dench music=Bruce Broughton control system= propulsion= soft opened= opened=October 1, 1982… …
125Octahedral symmetry — The cube is the most common shape with octahedral symmetry A regular octahedron has 24 rotational (or orientation preserving) symmetries, and a symmetry order of 48 including transformations that combine a reflection and a rotation. A cube has… …
126Thanksgiving Classic — The Canadian Football League also holds a Thanksgiving Day Classic on Canadian Thanksgiving. The NFL Thanksgiving logo used for 2010; the year is updated annually, with the new NFL shield being used for the first time in 2008. The National… …
127Square root — Measured fall time of a small steel sphere falling from various heights. The data is in good agreement with the predicted fall time of , where h is the height and g is the acceleration of gravity. In mathematics, a square root of a number x is a… …
128Atomism — (from ancient Greek atomos, meaning uncuttable ) is a natural philosophy that developed in several ancient traditions. The atomists theorized that the natural world consists of two fundamental parts: indivisible atoms and empty void. According to …
