Right-angled
61Pythagorean triple — A Pythagorean triple consists of three positive integers a , b , and c , such that a 2 + b 2 = c 2. Such a triple is commonly written ( a , b , c ), and a well known example is (3, 4, 5). If ( a , b , c ) is a Pythagorean triple, then so is ( ka …
62Rectangle — Family Orthotope Type Quadrilateral Edges and vertices 4 Schläfli symbol {}x{} …
63Murderous Maths —   …
64Griffith Stadium — Infobox Baseball Stadium stadium name = Griffith Stadium nickname = location = Washington, D.C. broke ground = opened = July 24 1911 closed = September 21 1961 demolished = January 26 1965 owner = Washington Senators operator = surface = Grass… …
65Minesweeper (video game) — A game in beginner board Minesweeper is a single player video game. The object of the game is to clear an abstract minefield without detonating a mine. The game has been written for many system platforms in use today. Minesweeper cannot always be …
66square — n 1. quadrate, rectangle, Rare. tetragon; block, cube. 2. try square, T square, measure, ruler, straightedge, set square, carpenter s square. 3. plaza, place, park, piazza, forum, rialto; town green, green, town common, common, marketplace,… …
67History of Western typography — Contemporary typographers view typography as craft with a very long history tracing its origins back to the first punches and dies used to make seals and currency in ancient times. The basic elements of typography are at least as old as… …
68Chamfer — A chamfer with a lark s tongue end A chamfer is a beveled edge connecting two surfaces. If the surfaces are at right angles, the chamfer will typically be symmetrical at 45 degrees. A fillet is the rounding off of an interior corner. A rounding… …
69Pei Xiu — Chinese t=裴秀 s=裴秀Pei Xiu (224 ndash;271) was a minister, geographer, and cartographer of the Kingdom of Wei during the Three Kingdoms Period of China, as well as the subsequent Jin Dynasty. Pei Xiu was very much trusted by Sima Zhao, and… …
70triangle — n. 1) to draw, make a triangle 2) an acute; congruent; equilateral; isosceles; obtuse; right (AE), right angled (BE); scalene triangle 3) (fig.) the eternal triangle; a love triangle * * * [ traɪæŋg(ə)l] a love triangle congruent equilateral… …
