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1. Define the following:(i) Parallel linesiv) Radius of a circle. |
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Answer» 1. In geometry,parallel linesarelinesin a plane which do not meet; that is, twolinesin a plane that do not intersect or touch each other at any point are said to beparallel. By extension, alineand a plane, or two planes, in three-dimensional Euclidean space that do not share a point are said to beparallel. 2.In classical geometry, aradius of a circleor sphere is any of the line segments from its center to its perimeter, and in more modern usage, it is also their length. The plural ofradiuscan be eitherradii(from the Latin plural) or the conventional English plural radiuses define the following terms perpendicular lines |
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