(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 about 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
(i) How many cross - streets can be referred to as (4, 3).
(ii) How many cross - streets can be referred to as (3, 4).
Both the cross-streets are marked in the above figure. It can be
observed that there is only one cross-street which can be
referred as (4, 3), and again, only one which can be referred as
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