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Mathematics and Life 103 You know maths - Parallel lines

 You know maths - Parallel lines 


Background  In continuity of the framework You know maths, today I would like to discuss the concept, examples and non examples of parallel lines, spaces, surfaces, planes in daily life, sciences and so on.


Parallel means which do not meet at any point. In school mathematics, we use this term for two or more lines which never meet. It means, however you extend them on both sides, there is no point at which they will cross or meet each other. There are many properties of parallel lines with reference to various angles between them and the transversal (a line crossing or cutting them at different points). About them we will discuss in a separate post.


Examples of parallel lines lines drawn in a notebook, lines drawn on a graph sheet, printed lines in a book, opposite sides of a parallelogram / rhombus / rectangle / square, 


Parallel lines / surfaces in life opposite sides of a notebook, door frames, bars in a window, legs of a study table, floor of the car to the ground, opposite sides of a ladder, stair case steps, in big movies / novels some characters are parallel they never meet each other, eye movement, gymnastics bars, railway tracks, opposite wheels of a car are aligned to be moving parallel, fencing wires are parallel, floor and roof in a house are parallel, so are the opposite walls. In fact, a multi storied building cannot be raised if the floor is not parallel to the roof. In PERT / CPM, many ideas / subprojects run parallel. 


Equal intercept means same gap between parallel lines. Like big stairs on old Jain temples or the famous Girinar temple with 10,000 stairs are having all stairs at equal intervals. This reduces the fatigue. Shirt / coat buttons are at equal distance,  although not exactly parallel, but trees in the forest also never cross each other.


Maths of life On a philosophical note, we can say that God or Nature has made all its creations parallel and self sustainable. Birds, animals, sea life, trees, shrubs, micro organisms, air, fire, earth, sky, rivers, sea,  all have parallel existence. Come man on the scene, all get intercepted. 


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