Ncert Solutions Class 9 Chapter 3 Coordinate Geometry Exercise 3.1 Question 1

1. How will you describe the position of a table lamp on your study table to another person?

Coordinate Geometry

Exercise 3.1

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Class 9

Coordinate Geometry

Exercise 3.1

1. How will you describe the position of a table lamp on your study table to another person?

2. (Street Plan) : A city has two main roads which cross each other at the centre 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 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 2 street running in the North – South direction and 5 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).

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