# NCERT Solutions for Class 10 Maths Chapter 7 Exercise 7.3

NCERT Solutions for Class 10 Maths Chapter 7 Exercise 7.3 Coordinate Geometry निर्देशांक ज्यामिति free PDF download in Hindi Medium and English Medium updated for academic session 2020-21 based on latest NCERT books.

NCERT Solutions and Offline Apps 2020-21 are applicable for UP Board, MP Board, Uttarakhand, Bihar Board and CBSE Board as well as Boards using Books of NCERT for the evaluation of students knowledge. These Solutions and Apps are updated as per latest CBSE Curriculum 2020-21.## NCERT Solutions for Class 10 Maths Chapter 7 Exercise 7.3

Class: | 10 |

Subject: | Maths – गणित |

Chapter 7: | Exercise 7.3 |

### 10 Maths Chapter 7 Exercise 7.3 Solutions

NCERT Solutions for Class 10 Maths Chapter 7 Exercise 7.3 Coordinate Geometry in Hindi & English Medium free to use with download or online without downloading or View in Video Format. Exercise 7.3 is based on AREA OF TRIANGLE using coordinate geometry. Area is to be taken always positive even though it comes negative during the calculations.

### Class 10 Maths Exercise 7.3 Solutions

#### Extra Questions on Coordinate Geometry

1. Three consecutive vertices of a parallelogram are (–2, –1), (1, 0) and (4, 3). Find the coordinates of fourth vertex.

2. The line segment joining the points A (2, 1) and B (5,–8) is trisected at the points P and Q such that P is nearer to A. If P also lies on line given by 2x – y + k = 0, find the value of k.

3. Find the ratio in which y-axis divides the line segment joining the points A(5,–6) and B(–1, –4).

4. Find the co-ordinates of a centroid of a triangle whose vertices are (3,–5), (–7,4) and (10,–2).

##### Questions from Board Papers

1. If (3, 3), (6, y), (x, 7) and (5, 6) are the vertices of a parallelogram taken in order, find the value of x and y.

2. If the distance of P(x, y) from the points A(3, 6) and B(–3, 4) are equal, prove that 3x + y = 5.

3. If P(x, y) is any point on the line joining the points A(a,0) and B(0,b) then show that x/a + y/b = 1.

4. Two vertices of a triangle are (1, 2) and (3, 5). If the centroid of the triangle is at origin, find the co-ordinates of the third vertex.

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