NCERT Solutions, Class 9 Maths Chapter 3 Coordinate Geometry: Exercise 3.1, answered for the NCERT Class 9 textbook.
Exercise 3.1 Class 9 Maths Chapter 3 Coordinate Geometry
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 of 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).
