ETYM French angle, Latin angulus angle, corner; akin to uncus hook, Greek agkylos bent, crooked, angular, agkos a bend or hollow, AS. angel hook, fish-hook, German angel, and French anchor.
In mathematics, the amount of turn or rotation; it may be defined by a pair of rays (half-lines) that share a common endpoint but do not lie on the same line. Angles are measured in degrees (ş) or radians (rads)—a complete turn or circle being 360ş or 2p rads.
Angles are classified generally by their degree measures: acute angles are less than 90ş; right angles are exactly 90ş (a quarter turn); obtuse angles are greater than 90ş but less than 180ş; reflex angles are greater than 180ş but less than 360ş.
The space between two lines or planes that intersect; the inclination of one line to another; measured in degrees or radians.
ETYM Old Eng. eg, egge, AS. ecg; akin to Old High Germ. ekka, German ecke, Icel. and Swed. egg, Dan. eg, and to Latin acies, Greek ake point, Skr. açri edge. Related to Egg, Eager, Ear spike of corn, Acute.
1. A sharp side formed by the intersection of two surfaces of an object.
2. A slight competitive advantage.
3. A strip near the boundary of an object; SYN. margin.
4. The attribute of urgency; SYN. sharpness.
5. The boundary of a surface; SYN. border.