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Yashvi Goyal
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(Street Plan): A city has two main roads which cross each other at the center of the city. These two roads are along the North-South direction and East-West direction. All the other streets of the city run parallel to these roads and are 200 m apart. There are about 5 streets in each direction. Using 1cm = 200 m, draw a model of the city on your notebook. Represent the roads/streets by single lines. There are many cross- streets in your model. A particular cross-street is made by two streets, one running in the North – South direction and another in the East – West direction. Each cross street is referred to in the following manner: If the 2nd street running in the North – South direction and 5th in the East – West direction meet at some crossing, then we will call this cross-street (2, 5). Using this convention, find: (i) how many cross – streets can be referred to as (4, 3). (ii) how many cross – streets can be referred to as (3, 4).

NCERT Solutions for Class 9 Maths Chapter 3 Important NCERT Questions Coordinate Geometry NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 3.1 Page No:53 Questions No: 2

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