NCERT Solutions for Class 9 Maths Chapter 3 Coordinate Geometry Ex 3.1 are part of NCERT Solutions for Class 9 Maths. Here we have given NCERT Solutions for Class 9 Maths Chapter 3 Coordinate Geometry Ex 3.1.
- Coordinate Geometry Class 9 Ex 3.1
- Coordinate Geometry Class 9 Ex 3.2
- Coordinate Geometry Class 9 Ex 3.3
| Board | CBSE |
| Textbook | NCERT |
| Class | Class 9 |
| Subject | Maths |
| Chapter | Chapter 3 |
| Chapter Name | Coordinate Geometry |
| Exercise | Ex 3.1 |
| Number of Questions Solved | 2 |
| Category | NCERT Solutions |
NCERT Solutions for Class 9 Maths Chapter 3 Coordinate Geometry Ex 3.1
Ex 3.1 Class 9 Maths Question 1.
How will you describe the position of a table lamp on your study table to another person?
Solution:
Consider the lamp as a point P and table as a plane. Choose any two perpendicular edges of the table, say OX and OY. Measure the distance of the lamp i.e., P from the longer edge OX, let it be 30 cm. Again, measure the distance of the lamp P from the shorter edge OY, let it be 20 cm.
Thus, the position of the lamp Preferred to the edges OX and OY is (20,30.)
Ex 3.1 Class 9 Maths Question 2.
(Street Plan): A city has two main roads which cross each other r 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 5 streets in each direction. Using 1 cm = 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 :
- how many cross-streets can be referred to as (4, 3).
- how many cross-streets can be referred to as (3, 4).
Solution:
- here is only one cross-street which can be referred to as (4, 3).
- There is only one cross-street which can be referred to as (3, 4).
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