(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 1 cm = 100 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).
Solution:
The diagram shows two main roads. One in the North-South direction and other in the East-West direction.
There are five streets parallel to each of the main roads labelled as S1, S2, S3, S4 and S5.
Point (4, 3) represents fourth street in the North-South direction crossing 3rd street in the East-West direction.
Point (3, 4) represents 3rd street in the North-South direction crossing 4th street in the East-West direction.
Only one cross-street can be referred to as (4, 3) as shown in the diagram.
Only one cross-street can be referred to as (3, 4) as shown in the diagram.
divyanshu says
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gaurav says
Just like a guide
Malvika says
It not enough