a unit of plane angular measurement that is equal to the angle at the center of a circle subtended by an arc whose length equals the radius or approximately 57.3 degrees
Üks radiaan (lüh. rad) on selline kesknurk, mis toetub kaarele, mille pikkus on võrdne selle ringjoone raadiusega. Ühele täisringile vastab pöördenurk 2π rad, seega 1 rad = 360º/2π ≈ 57º.
Online Language Learning Tool SkELL allows users to search for phrases in sentences, collocates and similar words. These examples have been automatically selected and may contain errors.
