Right-angled
71or|thog´o|nal|ly — or|thog|o|nal «awr THOG uh nuhl», adjective, noun. –adj. 1. Mathematics. a) having to do with or involving right angles; rectangular. SYNONYM(S): right angled. b) (of certain functions) having an integral that is equal to zero or to one. c) (of… …
72or|thog|o|nal — «awr THOG uh nuhl», adjective, noun. –adj. 1. Mathematics. a) having to do with or involving right angles; rectangular. SYNONYM(S): right angled. b) (of certain functions) having an integral that is equal to zero or to one. c) (of vectors) having …
73rec|tan|gled — «REHK TANG guhld», adjective. 1. = right angled. (Cf. ↑right angled) 2. Heraldry. formed with right angles or a right angle …
74Chimney sweep — Chimney sweeper redirects here. For the geometer moth, see Odezia atrata. Chimney sweep in the 1850s A chimney sweep is a worker who clears ash and soot from chimneys. The chimney uses the pressure difference caused by a hot column of gas to… …
75Atomism — (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 …
76List of screw drives — Contents 1 Common types 1.1 External types 1.1.1 Square 1.1.2 Hex …
77Dynamic rectangle — A dynamic rectangle is a right angled, four sided figure (a rectangle) with dynamic symmetry, which in this case, means that aspect ratio (height divided by width) is a distinguished value in dynamic symmetry, a proportioning system and natural… …
78rectangular — [rek taŋ′gyə lər] adj. 1. shaped like a rectangle; having four sides and four right angles 2. having right angled corners, or a base in the form of a rectangle, as a building 3. right angled rectangularity [rek′taŋ′lar′ə tē] n. rectangularly adv …
79Pi — This article is about the number. For the Greek letter, see Pi (letter). For other uses, see Pi (disambiguation). The circumference of a ci …
80Centripetal force — Not to be confused with Centrifugal force. Classical mechanics Newton s Second Law …
